Snapping a black hole's silhouette is like photographing an orange on the moon. | Continue reading
The company had been targeting April for the launch of its CST-100 Starliner spacecraft. | Continue reading
Only a dozen of these cosmic oddballs are currently known. | Continue reading
The Hubble Space Telescope has discovered a dwarf galaxy in our own cosmic backyard, a mere 30 million light-years from the Milky Way. | Continue reading
Dark energy is even more mysterious than astronomers had thought, a new study suggests. | Continue reading
The Earth's magnetic pole is moving unpredictably, and that movement seems to be accelerating. | Continue reading
The secretive mission of a U.S. Air Force X-37B miniature space plane just winged past 500 days in Earth orbit. | Continue reading
Scientists want to return to Saturn's moon Titan to investigate its complex chemistry — this time buoyed by Earth's fascination with drone technology. | Continue reading
The iconic Hubble Space Telescope should work well into 2025, despite its recent glitch. | Continue reading
NASA has announced a hardware problem with the Hubble Space Telescope's main camera. | Continue reading
SpaceX's net-equipped boat came agonizingly close to plucking a falling payload fairing out of the sky during a recent test, a new video shows. | Continue reading
The private spaceflight company SpaceX has moved its first Dragon spaceship designed for astronauts to the launchpad ahead of an uncrewed test flight that's just weeks away. | Continue reading
Astronomers have found compelling evidence of a frigid alien world about 3.2 times more massive than Earth circling Barnard's Star, a dim red dwarf that lies just 6 light-years from the sun. | Continue reading
What a way to ring in the new year. As people around the world celebrated the start of 2019, NASA's New Horizons spacecraft made history with the flyby of Ultima Thule, a mysterious object 4.1 billion miles from Earth in the Kuiper Belt. | Continue reading
A new theory tries to explain the mysterious phenomena that exists at the center of black holes. | Continue reading
Saturn's rings are disappearing — and fast. | Continue reading
NASA's OSIRIS-REx probe, which just arrived at the asteroid Bennu last week, has already found lots of hydrated minerals on the space rock, mission team members announced today (Dec. 10). | Continue reading
For the first time ever, Virgin Galactic has reached space — by one definition, anyway. | Continue reading
The Geminid meteor shower is hitting its peak, so look out for its shooting stars overnight Dec. 13-14. | Continue reading
It's time to say goodbye to one of the most storied explorers of our age: Voyager 2 has entered interstellar space. | Continue reading
Particles: Breathe easy. Scientists at the world's largest particle collider have no plans to smash you together until spring 2021. | Continue reading
German astronaut Alexander Gerst talked with the artificially intelligent crew-assistant robot CIMON during an experiment on Nov. 15. | Continue reading
It's not a blimp or a plane, but a plimp aircraft. | Continue reading
During its full first day on Mars, NASA's solar-powered InSight lander generated more electrical power in one day than any previous Mars vehicle has, mission team members said. | Continue reading
Some 3,700 years ago, a meteor or comet exploded over the Middle East, wiping out human life across a swath of land north of the Dead Sea. | Continue reading
A new artificial intelligence system takes inspiration from HAL 9000 to control a virtual space base. | Continue reading
Abigail Harrison, also known as Astronaut Abby, spoke ahead of National STEM Day (Nov. 8) about college life, role models and, as she put it, dipping one's feet into the solar system. | Continue reading
All you had to do was hear Jim Lovell's voice and you knew it was something bad. Apollo 13 was in trouble. | Continue reading
SpaceX has delayed the planned Nov. 19 launch of a used Falcon 9 rocket topped with at least 64 small satellites, to conduct more preflight inspections. The liftoff will mark the first-ever third mission for a Falcon 9 first stage. | Continue reading
A new map of a giant group of galaxies known as the Laniakea Supercluster is giving scientists a revealing glimpse of our Milky Way galaxy's home in the universe. See it here. | Continue reading
NASA's Parker Solar Probe phoned home Wednesday (Nov. 7), confirming that it survived its first record-breaking sun flyby in good condition. | Continue reading
A new look at the final stages of galaxy mergers helps show how supermassive black holes might get even larger. | Continue reading
NASA's Kepler space telescope, which has discovered 70 percent of the 3,800 confirmed alien worlds to date, has run out of fuel and signed off. | Continue reading
The latest mystery mission of the U.S. Air Force's robotic X-37B space plane has now passed the 400-day mark. | Continue reading
Hubble, which has been observing the heavens since 1990, went into a protective safe mode on Friday (Oct. 5) after another one of its orientation-maintaining gyroscopes failed. | Continue reading
A huge haul of newfound fast radio bursts (FRBs) may help astronomers finally start to get a handle on these mysterious and powerful blasts from deep space. | Continue reading
A Falcon 9 rocket with a pre-flown first stage launched from California's Vandenberg Air Force Base tonight (Oct. 7), delivering an Argentine Earth-observation satellite to orbit. And that first stage aced SpaceX's first-ever landing on California soil. | Continue reading
There's a magnet in a secure room in Tokyo. The last time its designers switched it on, it blew open the heavy doors designed to keep it contained. | Continue reading
Two tiny Japanese rovers began exploring the surface of the big asteroid Ryugu over the weekend — but they're not roving in the traditional sense of the term. | Continue reading
Ever since astronomers first spotted their first-ever object from beyond our solar system, it has offered more questions than answers — what is it? Where did it come from? Why is it so darn weird? | Continue reading
JAXA announced Saturday (Sept. 22) that two tiny hoppers had made it safely onto the surface of the asteroid Ryugu. | Continue reading
A Japanese billionaire and a coterie of artists will become the first private citizens ever to fly beyond low-Earth orbit just five years from now, if all goes according to plan. | Continue reading
It's been more than a week, and a National Solar Observatory (NSO) facility in New Mexico is still closed for an undisclosed "security issue." | Continue reading
Is the universe just an enormous, fantastically complex simulation? If so, how could we find out, and what would that knowledge mean for humanity? | Continue reading
A "private passenger" has signed up for a circumlunar flight aboard SpaceX's BFR rocket-spaceship combo, company representatives announced via Twitter this evening (Sept. 13). | Continue reading
Scientists created a detailed map of temperatures on Jupiter's icy moon Europa, and one particularly cold spot stands out. | Continue reading