The weird long cloud on Mars is finally revealing some of its secrets By Chelsea Gohd A European spacecraft is unraveling the secrets of the weird long cloud that has been appearing again and again in the Martian sky for years.
China and Russia say they will join forces to build moon base By Rafi Letzter Two of the world's most powerful spacefaring nations are teaming up for their most ambitious project yet: a Chinese-Russian research station on the moon.
Radioactive 'snowflakes' act like the tiniest nuclear bombs in the universe By Mara Johnson-Groh Tiny snowflakes of radioactive uranium that trigger massive nuclear blasts might explain some of the universe's more mysterious star explosions.
Can super-rotating oceans cool off extreme exoplanets? By Paul Sutter New research suggests a way to move heat around "tidally locked" alien planets: ocean currents whipping around the worlds faster than they rotate.
The moon has a tail, and Earth wears it like a scarf once a month By Brandon Specktor The tail is invisible to the naked eye but appears on all-sky cameras during every new moon.
Rare meteorite, a 'relic of the early solar system,' falls on a driveway in England By Nicoletta Lanese The meteorite likely formed at the same time as the first planets in the solar system.
Universe's oldest known quasar discovered 13 billion light-years away By Tim Childers Astronomers have found the farthest known source of radio emissions in the universe: a galaxy-swallowing supermassive black hole.
Hubble Space Telescope just entered 'safe mode' By Yasemin Saplakoglu The Hubble space telescope entered into "safe mode" due to a software error, but is safe and stable.
Meteor explodes over Vermont with the force of 440 pounds of TNT By Rafi Letzter If you live in Vermont and heard an explosion just before dinnertime Sunday (March 7), there's a good chance that was a shockwave from an incoming meteor exploding over the state.
4.6-billion-year-old meteorite belongs to Earth’s long-lost baby cousin By Mindy Weisberger Rare chemical makeup in a meteorite that fell to Earth in 2020 hints at its unusual origins: from a pre-planetary body dating to our solar system's beginnings.
Astronaut-explorer Richard Garriott makes record-breaking dive to deepest point on Earth By Robert Z. Pearlman Richard Garriott just completed a dive to Challenger Deep, the deepest point on Earth.
Mount Etna's fiery eruptions seen from space (satellite photos) By Chelsea Gohd Mount Etna has been spewing lava across Sicily for weeks during a series of eruptions captured by a slew of Earth-orbiting satellites.
Black holes could be dark stars with 'Planck hearts' By Paul Sutter Black holes may not be black or holes, a new theory proposes.
Scientists still stuck on Betelgeuse antics a year after strange dimming episode By Meghan Bartels A year ago, the bright red star Betelgeuse in the Orion constellation hit the headlines for a stark fading episode that astronomers couldn't explain. They still can't, although they keep trying.
'Demon' asteroid the size of the Eiffel Tower to zoom past Earth Friday By Stephanie Pappas The asteroid Apophis will zing by Earth this week, not to be seen until 2029.
First-ever 'space hurricane' detected over the North Pole By Brandon Specktor Astronomers detected the first-known 'space hurricane' raging over the North Pole for 8 hours in 2014, a new study found.
Physicists trap ultracold plasma in a magnetic bottle for the 1st time By Ben Turner Scientists want to use it to learn more about the sun and nuclear fusion.
Spotting UFOs: Do-it-yourself sky surveillance comes online By Leonard David If you are perplexed by reports of unidentified aerial phenomena and possible visitations of alien spacecraft, you can take action with do-it-yourself sky-monitoring gear.
NASA's Perseverance rover deploys wind sensor on Mars By Mike Wall NASA's Mars rover Perseverance continues getting up to speed on the Red Planet.
SpaceX successfully landed its giant Starship, but it exploded a few minutes later By Rafi Letzter We've got good news and bad news about the latest explosive SpaceX Starship test in Boca Chica, Texas.
