Scientists may have pinpointed the true origin of the Hope Diamond and other pristine gemstones

Researchers suggest that the famed Golconda diamonds, including the Hope Diamond and Koh-i-noor, may have originated from a volcanic outcrop nearly 200 miles from where they were mined. | Continue reading | 11 hours ago

NASA reveals 'glass-smooth lake of cooling lava' on surface of Jupiter's moon Io

The volcanic surface of Jupiter's huge moon Io got a stunning close-up thanks to NASA's Juno mission. | Continue reading | 12 hours ago

Space photo of the week: Bizarre 'Helix Galaxy' is unlike any other in the universe. Can you see why?

The Helix Galaxy is a rare "polar ring" galaxy found near the Big Dipper. Its odd shape and history set it apart from every other galaxy we know of. | Continue reading | 13 hours ago

Why do cats' claws retract but dogs' claws don't?

Why don't dogs claws retract like felines' do? | Continue reading | 14 hours ago

'Uncharted territory': El Niño to flip to La Niña in what could be the hottest year on record

A quick flip from El Niño to La Niña is coming soon, but what does that mean for the U.S.? | Continue reading | 1 day ago

Southern Grasshopper mouse: The tiny super-predator that howls at the moon before it kills

The southern grasshopper mouse is largely immune to the venom of the Arizona bark scorpion and will resort to cannibalism when times are tough. | Continue reading | 1 day ago

Rare 'porcelain gallbladder' found in 100-year-old unmarked grave at Mississippi mental asylum cemetery

Archaeologists have discovered the burial of a woman with a rare "porcelain gallbladder" who was interred at the Mississippi State Lunatic Asylum's cemetery 100 years ago. | Continue reading | 1 day ago

What's the largest waterfall in the world?

If your mind has gone straight to the thundering waters cascading down Venezuela's Angel Falls, think again. | Continue reading | 1 day ago

Packs of dog-shaped robots could one day roam the moon — if they can find their footing on Earth first

A dog-like, bio-inspired robot called Spirit is still learning to walk, but could one day be deployed on the moon to explore steep, potentially hazardous areas with a team of robot companions. | Continue reading | 2 days ago

See the explosive 'devil comet' get its tail ripped off by a solar storm days before its close approach to the sun

A surprise coronal mass ejection recently smashed into Comet 12P/Pons-Brooks, briefly causing the "devil comet" to lose its tail — and a NASA spacecraft caught the whole thing on camera. | Continue reading | 2 days ago

Global 'time signals' subtly shifted as the total solar eclipse reshaped Earth's upper atmosphere, new data shows

During the historic April 8 total solar eclipse, a government radio station in Colorado started sending out slightly shifted "time signals" to millions of people across the globe as the moon's shadow altered the upper layers of our atmosphere. However, these altered signals did n … | Continue reading | 2 days ago

'There's a great hidden museum in the Mediterranean': Underwater archaeologist David Gibbins takes us on a journey to 12 shipwrecks around the world

Underwater archaeologist and author David Gibbins discusses his new book about shipwrecks around the world. | Continue reading | 2 days ago

Half of China's cities are sinking, putting most of the country's urban population at risk

Major cities across eastern China are sinking due to groundwater extraction and the weight of buildings, potentially exposing millions of people to flooding and damage in the next 100 years. | Continue reading | 2 days ago

Enormous dinosaur dubbed Shiva 'The Destroyer' is one of the biggest ever discovered

Researchers discovered the remains of a huge dinosaur named Bustingorrytitan shiva last year and have now released artistic reconstructions of the Cretaceous giant. | Continue reading | 2 days ago

Watch tigress and her cubs feasting on crocodile they killed in rare footage

Visitors at Ranthambore National Park in India captured rare footage and images of a tigress and her three 1-year-old cubs feasting on the carcass of a crocodile after killing it. | Continue reading | 2 days ago

East Africa's Lake Nakuru almost doubled in size in 13 years — and that's bad news for flamingos

Africa's soda lakes are rising and it's decimating the cyanobacteria flamingos have evolved to eat, putting the species at risk of drastic declines if current trends continue. | Continue reading | 2 days ago

April's full 'Pink Moon' blooms amid a meteor shower next week. Here's how to get the best view.

April's full moon, nicknamed the Pink Moon, rises on Tuesday (April 23), but will appear bright and full on Monday and Wednesday as well. Here's how to see it at its best. | Continue reading | 2 days ago

Aliens may be hitching rides on meteors to colonize the cosmos, study suggests. Here's how we could spot them.

A fringe theory called "panspermia" suggests that lifeforms can spread to new planets by hitching rides on meteors. New research lays out a roadmap for finding where these hypothetical, planet-hopping aliens may reside. | Continue reading | 2 days ago

Future quantum computers could use bizarre 'error-free' qubit design built on forgotten research from the 1990s

Qubits can be made by floating a suspended electron over a pool of liquid helium rather than being embedded them a solid-state crystal — which leads to impurities and errors. | Continue reading | 2 days ago

1,700-year-old Roman ruins discovered atop much older Neolithic sacred spring

Archaeologists think veneration of the freshwater spring started in Neolithic times. | Continue reading | 2 days ago

Scientists are one step closer to knowing the mass of ghostly neutrinos — possibly paving the way to new physics

By precisely measuring the mass of neutrinos — ghostly particles that stream through your body by the billions each second — physicists could find some glaring holes in the Standard Model of particle physics. A new experiment has taken them one step closer. | Continue reading | 2 days ago

'Unprecedented' discovery of mysterious circular monument near 2 necropolises found in France

The mysterious monument site appears to have been occupied across multiple historical periods. | Continue reading | 3 days ago

Alien life may thrive on purple planets, new study of extreme bacteria suggests

On many exoplanets, the best clue that life is present may be a purple hue. New research into some of Earth's most extreme bacteria explains why. | Continue reading | 3 days ago

'Vampire' bacteria thirst for human blood — and cause deadly infections as they feed

Several bacteria that can cause deadly bloodstream infections in humans are attracted to an amino acid in our blood, scientists have discovered. | Continue reading | 3 days ago

Weird magnetic quasiparticle could be used as a new type of bit in advanced computing systems, scientists find

Scientists want to replace electrons with so-called 'nanobubbles' — or skyrmions — to store data more densely and efficiently in advanced memory components that would replace RAM and flash storage. | Continue reading | 3 days ago

Scientists uncover the cells that save you when water goes down the wrong pipe

In a mouse study, scientists uncovered the sensory cells that trigger coughing when you inhale water by mistake. | Continue reading | 3 days ago

Intel unveils largest-ever AI 'neuromorphic computer' that mimics the human brain

Intel's Hala Point neuromorphic computer is powered by more than 1,000 new AI chips and performs 50 times faster than equivalent conventional computing systems. | Continue reading | 3 days ago

Watch Boston Dynamics' newest Atlas robot wake up in the creepiest way possible

Boston Dynamics replaces its flagship humanoid robot after 10 years with a completely new machine that looks like the Pixar lamp with a mechanical humanoid body. | Continue reading | 3 days ago

'Unusual' beaver die-off in Utah caused by 'rabbit fever,' which can also infect humans

At least nine beavers and a vole have been found dead in Utah after an unusual outbreak of tularemia, also known as rabbit fever, which can infect and kill humans, cats and dogs. Experts warn people to be wary of ticks, which can transmit the disease across species. | Continue reading | 3 days ago

Researchers solve mystery of inexplicably dense galaxy at the heart of perfect 'Einstein ring' snapped by James Webb telescope

The James Webb Space Telescope discovered an inexplicably dense galaxy inside an "Einstein ring" last year. Now, researchers think they can explain this cosmic conundrum. | Continue reading | 3 days ago

Lyrid meteor shower 2024: How to watch stunning shooting stars and 'fireballs' during the event's peak this week

The annual Lyrid meteor shower peaks between April 21 and 22 this year, potentially offering views of hundreds of shooting stars and rare "fireballs." Here's where and when to catch the cosmic light show. | Continue reading | 3 days ago

50-foot 'king of the serpents' may have been the biggest snake to ever live

Researchers discovered the giant snake's 47 million-year-old fossils in India. | Continue reading | 3 days ago

Why do people feel like they're being watched, even when no one is there?

The causes range from innocuous media exposure to severe mental illness. | Continue reading | 3 days ago

Ancient artists high on hallucinogens carved dancer rock art in Peru, study suggests

The research notes similarities between the carvings in southern Peru and the ayahuasca-induced art of the Amazon's Tucano people. | Continue reading | 3 days ago

Maya ruler burned bodies of old dynasty during regime change, charred human remains reveal

Charred human remains and ornaments found at a Maya temple were part of a ritual. | Continue reading | 4 days ago

'Zombie cells' in the placenta may cause heart failure in pregnancy

"Undead" cells in the placenta that spew proteins may help explain cases of heart failure that happen in late pregnancy and the early postpartum period. | Continue reading | 4 days ago

Nightmare fish may explain how our 'fight or flight' response evolved

A new study of vertebrate evolution reveals that we have more in common with spooky-looking fish called lampreys than we thought. | Continue reading | 4 days ago

The universe may be dominated by particles that break causality and move faster than light, new paper suggests

With the nature of the universe's two most elusive components up for debate, physicists have proposed a radical idea: Invisible particles called tachyons, which break causality and move faster than light, may dominate the cosmos. | Continue reading | 4 days ago

Venus is leaking carbon and oxygen, and scientists aren't totally sure why

Observations of Venus taken with the BepiColombo space probe show that our cosmic neighbor is leaking significant amounts of carbon and oxygen from its atmosphere, and researchers can't totally explain why. | Continue reading | 4 days ago

Humans were living in a lava tube 7,000 years ago on the Arabian Peninsula

An analysis of a lava tube in Saudi Arabia reveals that humans have lived there for at least 7,000 years. | Continue reading | 4 days ago

Giant, 82-foot lizard fish discovered on UK beach could be largest marine reptile ever found

Newly discovered ichthyosaur that lived 200 million years ago in the Triassic sea is potentially the biggest to ever live, scientists say. | Continue reading | 4 days ago

Modern Japanese people arose from 3 ancestral groups, 1 of them unknown, DNA study suggests

Modern Japanese people largely originated from three ancestral groups and carry ancient DNA that may influence their risk of developing certain diseases, genetic analyses suggest. | Continue reading | 4 days ago

2,500-year-old skeletons with legs chopped off may be elites who received 'cruel' punishment in ancient China

The amputated legs of skeletons belonging to two men who lived in ancient China suggests that they were punished for alleged crimes 2,500 years ago. | Continue reading | 4 days ago

Anglerfish entered the midnight zone 55 million years ago and thrived by becoming sexual parasites

Anglerfish first colonized the ocean's midnight zone 55 million years ago, during a period of extreme global warming, a new study finds. The bizarre fish adapted to thrive in the deep sea by becoming sexual parasites, the researchers said. | Continue reading | 4 days ago

NASA's downed Ingenuity helicopter has a 'last gift' for humanity — but we'll have to go to Mars to get it

NASA's stranded Ingenuity Mars Helicopter has beamed back its final signal to Earth from the Red Planet, which included a farewell message for mission scientists. It will continue collecting data on Mars until it dies but will not transmit this data to Earth. | Continue reading | 4 days ago

World's oldest wild bird is 'actively courting' after losing long-term mate

Biologists on Midway Atoll in the North Pacific Ocean have spotted a septuagenarian female Laysan albatross named Wisdom flirting with potential mates months after the end of the nesting season. | Continue reading | 4 days ago

Ultrafast laser-powered 'magnetic RAM' is on the horizon after new discovery

Researchers have found an elemental physical interaction between light and magnetism that might lead to the next generation of computing memory. | Continue reading | 4 days ago

Why do we lose so much hair?

Hair shedding is normal, but when is it considered "hair loss"? | Continue reading | 4 days ago