We Have the First-Ever Confirmation of Alternating Sleep States in an Octopus

The flickering colors of a sleeping octopus seem to indicate something akin to an REM sleep state, scientists have found. | Continue reading


@sciencealert.com | 3 years ago

Most Detailed Map of the Milky Way Ever Shows It's Even Bigger Than We Thought

The European Space Agency (ESA) has just released the most accurate and detailed map of the Milky Way ever, charting the position in space of more than 1.1 billion stars in our galaxy. | Continue reading


@sciencealert.com | 3 years ago

An Astronomer Just Laid Out a Navigation System for Interstellar Space Travel

It's 2021, and we finally don't have to worry quite so much about our spacecraft getting lost in interstellar space. | Continue reading


@sciencealert.com | 3 years ago

Groundbreaking New Images of Cosmic Web Strands Revealed by Astronomers

Although the Universe is a large place, and all the stuff in it may seem just flung everywhere higgledy-piggledy, there's rather more structure than we can see. | Continue reading


@sciencealert.com | 3 years ago

Origins of Interstellar Visitor 'Oumuamua May Finally Be Explained

The origin and identity of a massive space object that careened past Earth in 2017 have remained a mystery ever since. | Continue reading


@sciencealert.com | 3 years ago

Microbes Unknown to Science Discovered on the International Space Station

The menagerie of bacterial and fungal species living among us is ever growing - and this is no exception in low-gravity environments, such as the International Space Station (ISS). | Continue reading


@sciencealert.com | 3 years ago

Giant Space Telescope Submerged Thousands of Feet Below Deepest Lake

Russian scientists on Saturday launched one of the world's biggest underwater space telescopes to peer deep into the Universe from the pristine waters of Lake Baikal. | Continue reading


@sciencealert.com | 3 years ago

Faster-Than-Light Travel Is Possible Within Einstein's Physics

For decades, we've dreamed of visiting other star systems. There's just one problem – they're so far away, with conventional spaceflight it would take tens of thousands of years to reach even the closest one. | Continue reading


@sciencealert.com | 3 years ago

Jaw-Dropping Fossil Find Contains a Dinosaur Sitting on an Entire Clutch of Eggs

An international team of scientists has announced the discovery of an extraordinary fossilized nest in China, preserving at least eight separate dinosaurs from 70 million years ago.  | Continue reading


@sciencealert.com | 3 years ago

Bacteria Could Be the First Organisms Found to Use Quantum Effects to Survive

Oxygen is life to animals like us. But for many species of microbe, the smallest whiff of the highly reactive element puts their delicate chemical machinery at risk of rusting up. | Continue reading


@sciencealert.com | 3 years ago

The Truth About That Photo of 'Mushrooms' Growing on Mars

A peculiar new paper, published in a little-known scientific journal, has the tabloids stirred up about the possibility of life on Mars. | Continue reading


@sciencealert.com | 3 years ago

Greenhouse gas emissions arising from cannabis cultivation

Indoor cannabis production is a major source of greenhouse gas emissions, and the environmental effects vary significantly depending on where it is being grown, according to our new study. | Continue reading


@sciencealert.com | 3 years ago

Self-Decapitating Sea Slugs Can Grow an Entire New Body on the Old Head

Regeneration is a fairly widespread ability in the animal kingdom - for increasing long-term survival chances, you simply can't beat the option to regrow entire limbs or organs. But these two species of sacoglossan sea slug take it to the extreme. | Continue reading


@sciencealert.com | 3 years ago

Octopuses Not Only Feel Pain Physically, but Emotionally Too, First Study Finds

An important new study suggests octopuses are likely to feel and respond to pain in a similar way to mammals - the first strong evidence for this capacity in any invertebrate.  | Continue reading


@sciencealert.com | 3 years ago

Some Animals Go to Social Distancing Extremes If It Means Keeping Group Safe

Social distancing to stop the spread of COVID-19 might feel unnatural to us humans, but other animals intuitively do something similar, without the need for rules or regulations to keep them in line. | Continue reading


@sciencealert.com | 3 years ago

South-West Iceland's Been Hit by 17,000 Earthquakes This Week. About to Erupt?

More than 17,000 earthquakes have been recorded in the south-west of Iceland, in the Reykjanes Peninsula, during the past week. | Continue reading


@sciencealert.com | 3 years ago

Perseverance Is Officially Roving Mars After a Successful Test Drive

The Mars rover Perseverance has successfully conducted its first test drive on the Red Planet, the US space agency NASA said Friday. | Continue reading


@sciencealert.com | 3 years ago

Physicists found 4 new subatomic particles that may test the laws of nature

This month is a time to celebrate. CERN has just announced the discovery of four brand new particles at the Large Hadron Collider (LHC) in Geneva. | Continue reading


@sciencealert.com | 3 years ago

Scientists Detect Signs of a Hidden Structure Inside Earth's Core

While most of us take the ground beneath our feet for granted, written within its complex layers, like pages of a book, is Earth's history. Our history. | Continue reading


@sciencealert.com | 3 years ago

A Cephalopod Has Passed a Cognitive Test Designed for Human Children

A new test of cephalopod smarts has reinforced how important it is for us humans to not underestimate animal intelligence. | Continue reading


@sciencealert.com | 3 years ago

For the First Time, Physicists Have Filmed the Oscillation of a Time Crystal

For the first time, physicists have captured an enigmatic state of matter on video. | Continue reading


@sciencealert.com | 3 years ago

Dust from asteroid closes case on impact extinction theory

Having dominated the planet's surface for hundreds of millions of years, dinosaur diversity came to a dramatic conclusion some 66 million years ago at the hot end of an asteroid impact with what is today Mexico's Yucatán Peninsula. | Continue reading


@sciencealert.com | 3 years ago

These Are the Signs That Your Cat Will Probably Live a Long Life

We all want our cats to live forever (except when they’re waking us up at 6am for biscuits), and while feline immortality is still out of our grasp, it’s not that unusual for cats to live into their 20s - a solid effort for such little guys. | Continue reading


@sciencealert.com | 3 years ago

We Finally Know the True Age of These Mysterious Jars Scattered in Laos

In total, there are thousands of them – a giant landscape of strange, hollowed jars, carved from ancient stone. Some have lids. Most are open to the sky. | Continue reading


@sciencealert.com | 3 years ago

Stem Cell Therapy Has Helped Repair Injured Spinal Cords in 13 Patients

Spinal cord injuries are sustained by hundreds of thousands of people every year, with many patients experiencing a significant and often permanent loss of movement and physical sensation resulting from nerve damage. | Continue reading


@sciencealert.com | 3 years ago

Russia Just Alerted the WHO to First Case of H5N8 Avian Flu in Humans

Russia said Saturday that its scientists had detected the world's first case of transmission of the H5N8 strain of avian flu from birds to humans and had alerted the World Health Organization. | Continue reading


@sciencealert.com | 3 years ago

Scientists Found a Way to Communicate with People Who Are Asleep and Dreaming

Scientists have identified a new phenomenon they describe as "interactive dreaming", where people experiencing deep sleep and lucid dreams are able to follow instructions, answer simple yes-or-no questions, and even solve basic mathematics problems. | Continue reading


@sciencealert.com | 3 years ago

The Science Behind the Illusion Dividing Twitter

Now that the bin-fire that was 2020 is in our rear view mirror, social media is making a return to serious discussions that truly matter. Like how many colors a thing has. Again. | Continue reading


@sciencealert.com | 3 years ago

Genes in Placenta Appear to Determine a Baby's Risk of Developing Schizophrenia

After tracing the origins of schizophrenia to genes expressed in the placenta while in utero, scientists have now zeroed in on the combination of risk factors that could predict which infants are at greatest risk of developing the condition later in | Continue reading


@sciencealert.com | 3 years ago

Oral Ketamine Experiment Reduces Suicidal Thoughts in Two-Thirds of Patients

Suicide is a major threat to public health. In recent years, suicide rates have actually worsened in the US, and tragically, it's a phenomenon that's accelerating even among children. | Continue reading


@sciencealert.com | 3 years ago

LSD Lets the Brain 'Free Itself' from Divisions Dictated by Anatomy

Where does the mind 'meet' the brain? While there's no shortage of research into the effects of psychedelics, drugs like LSD still have much to teach us about the way the brain operates – and can shine a light on the mysterious interface between co | Continue reading


@sciencealert.com | 3 years ago

There's a Curious Effect Urban Trees Might Have on Depression, Study Finds

There's already a long list of reasons to like trees, we know. Warding off depression could be the latest entry on that list, based on a study of 9,751 residents in Leipzig, Germany. | Continue reading


@sciencealert.com | 3 years ago

A Physicist Has Worked Out Math That Makes 'Paradox-Free' Time Travel Plausible

No one has yet managed to travel through time – at least to our knowledge – but the question of whether or not such a feat would be theoretically possible continues to fascinate scientists. | Continue reading


@sciencealert.com | 3 years ago

A Megasatellite Orbiting Ceres Would Make a Fine Home for Humans Scientist Says

Given all the logistics involved, it's unlikely that humanity will ever see our way outside the Solar System to colonise exoplanets. But the possibility of settling elsewhere inside the Solar System isn't so far-fetched. | Continue reading


@sciencealert.com | 3 years ago

Thread of quantum gas reveals new state of matter

Physicists have observed a new state of matter at work inside an elusive thread of quantum gas. | Continue reading


@sciencealert.com | 3 years ago

DNA Replication Filmed for the First Time, and it's not what we expected (2018)

Here's proof of how far we've come in science - in June 2017, researchers recorded up-close footage of a single DNA molecule replicating itself for the first time, and it's raised questions about how we assumed the process played out. | Continue reading


@sciencealert.com | 3 years ago

The Future Might Be Influencing the Past

One of the weirder aspects of quantum mechanics could be explained by an equally weird idea – that causation can run backwards in time as well as forwards. | Continue reading


@sciencealert.com | 3 years ago

Quantum Teleportation Was Just Achieved with 90% Accuracy over a 44km Distance

Scientists are edging closer to making a super-secure, super-fast quantum internet possible: they've now been able to 'teleport' high-fidelity quantum information over a total distance of 44 kilometres (27 miles). | Continue reading


@sciencealert.com | 3 years ago

Octopus and Squid Evolution Is Stranger Than We Could Have Ever Imagined

Just when we thought octopuses couldn't be any weirder, it turns out that they and their cephalopod brethren evolve differently from nearly every other organism on the planet. | Continue reading


@sciencealert.com | 3 years ago

South Korea's 'Artificial Sun' Just Set a Record for High-Temperature Plasma

Scientists have just set a new world record for high-temperature sustained plasma with the Korea Superconducting Tokamak Advanced Research (KSTAR) device, reaching an ion temperature of above 100 million degrees Celsius (180 million degrees Fahrenhei | Continue reading


@sciencealert.com | 3 years ago

In 1110, the Moon Vanished

Almost a millennium ago, a major upheaval occurred in Earth's atmosphere: a giant cloud of sulphur-rich particles flowed throughout the stratosphere, turning skies dark for months or even years, before ultimately falling down to Earth. | Continue reading


@sciencealert.com | 3 years ago

Acetaminophen (Tylenol; Panadol) Linked to Risk-Taking Behavior

One of the most consumed drugs in the US – and the most commonly taken analgesic worldwide – could be doing a lot more than simply taking the edge off your headache, recent evidence suggests. | Continue reading


@sciencealert.com | 3 years ago

Physicists Create Time-Reversed Waves of Optical Light

Like watching a movie in reverse, physicists have just demonstrated a new technique for the time-reversal of a wave of optical light. | Continue reading


@sciencealert.com | 3 years ago

Scientists Just Set a New World Record – 29.15% – For Solar Cell Efficiency

Improving the efficiency of solar cells can make a huge difference to the amount of energy produced from the same surface area and the same amount of sunshine, and another world record has been beaten in the push for better yields. | Continue reading


@sciencealert.com | 3 years ago

New Material Can Store Energy from the Sun for Months or Even Years

If we're going to get better at powering the planet with renewable energy, we need to get better at finding ways of efficiently storing that energy until it's needed – and scientists have identified a particular material that could give us exactly | Continue reading


@sciencealert.com | 3 years ago

Astronomers Find Cosmic 'Superhighways' for Fast Travel Through Solar System

Invisible structures generated by gravitational interactions in the Solar System have created a "space superhighway" network, astronomers have discovered. | Continue reading


@sciencealert.com | 3 years ago

Scientists Capture Rare Footage of Deep-Sea Fish Devouring a Shark

Feasts are rare on the barren landscape of the ocean depths. So researchers couldn't believe their luck when they stumbled on a feeding frenzy of deep-sea sharks chowing down on a fallen swordfish off the US coast in July 2019. | Continue reading


@sciencealert.com | 3 years ago

China Just Switched on Its 'Artificial Sun' Nuclear Fusion Reactor

China successfully powered up its "artificial sun" nuclear fusion reactor for the first time, state media reported Friday, marking a great advance in the country's nuclear power research capabilities. | Continue reading


@sciencealert.com | 3 years ago