'Gravity portals' could morph dark matter into ordinary matter, astrophysicists propose By Paul Sutter Astrophysicists have a wild idea to explain the bizarre abundance of super-high-energy radiation shooting from the center of our galaxy: gravity portals.
A billion years from now, a lack of oxygen will wipe out life on Earth By Matthew Warke Earth will not be able to support and sustain life forever.
In the Space.com forums this week: Perseverance prizes, exploration and breaking theories! By Mohamed Mohammed This week, the Space.com forums kicked off our Perseverance Prize giveaway, talked space exploration and more. See what's up here.
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.
The top space stories of the week! By Doris Elin Urrutia These are the top space stories this week from Space.com.
Space Chat with Space.com: Tune in Fridays for science, space and more! By Chelsea Gohd This Friday (Mar. 5), Space Chat will explore commercial space initiatives like Inspiration4, which aim to send commercial astronauts to space.
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.
Pictures from space! Our image of the day By Space.com Staff The European Space Agency's exoplanet-hunting spacecraft Plato has crossed another hurdle, with critical technology for its mission passing tests at the ESTEC Test Center in the Netherlands.
NASA will revel in Perseverance rover's 'firsts' on Mars today and you can follow it live By Tariq Malik NASA will show off the Perseverance rover's "firsts" on Mars in a teleconference today, March 5. Here's how to watch live.
NASA's Perseverance rover landing on Mars was a giant leap for America, President Biden says By Mike Wall The reverberations from the epic touchdown of NASA's Perseverance Mars rover will extend far beyond the science and spaceflight communities, President Biden said.
Mercury may not have shrunk nearly as much as scientists think By Charles Q. Choi Mercury may not have shrunk nearly as much as scientists previously thought, potentially solving the mystery posed by the planet's continuing quakes.
Here's your chance to win a Perseverance Prize Pack! By Space.com Staff We're giving away two commemorative prizes to one lucky winner!
Newfound exoplanet could be 'Rosetta Stone' for studies of alien atmospheres By Mike Wall A newly discovered alien world could help astronomers better understand the atmospheres of rocky exoplanets.
Perseverance rover flexes its arm on Mars for the 1st time By Meghan Bartels NASA's Perseverance rover has spent a busy two weeks settling into its new home on Mars, most recently flexing its robotic arm for the first time.
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.
Astronaut-explorer Richard Garriott sets records on dive to deepest point on Earth By Robert Z. Pearlman
Lab-grown black hole analog behaves just like Stephen Hawking said it would By Tim Childers Like mad scientists, researchers are creating miniature black holes in their laboratories. Their mission? To see if a mysterious form of radiation predicted by Stephen Hawking exists.
Meet the swirlon, a new kind of matter that bends the laws of physics By Stephanie Pappas A new form of active matter known as swirlonic matter clumps together in quasi-particles that bend the laws of physics.
Cleanup of Arecibo Observatory's collapsed radio telescope seen from space By Elizabeth Howell The sad work of dismantling the remains of the Arecibo Observatory is underway.
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.
