With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

Nobody was expecting very strong energy dissipation inside Titan,” says Flavio Petricca, a postdoctoral fellow at NASA’s Jet ...

Scientists discover 26 new bacterial species in NASA cleanrooms, revealing surprisingly resilient microbes with potential ...

American space agency NASA said the Perseverance rover is good to go on Mars until at least 2031, both hardware and software ...

Depending on who you ask — and what you’re willing to believe — aliens are real. And they’ve visited Vandenberg Space Force ...

What can be inferred if a comet from another star system accelerates in a manner that our models cannot fully account for? That is the question at the center of the latest storm of scientific ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Interstellar comet 3I/ATLAS has gotten new viral claims that it is targeting the Sun with strange wobbling jets. We break ...

Solar sails have some major advantages over traditional propulsion methods—most notably, they don't use any propellant. But, ...

The U.S. Navy has awarded Skydweller a $1.4 million contract to develop electric propulsion as it explores all-electric ...

Learn about the 3I/ATLAS mystery as Harvard's Avi Loeb reveals 'wobbling jets' that could suggest the interstellar visitor is ...

Here is the full list of the space and defense tech Startup Battlefield 200 selectees, along with a note on what made us ...