Harvard's Avi Loeb gives a '40% chance' that interstellar object 3I/ATLAS is alien technology, citing 'anomalies' like pure nickel gas, a sunward jet, and a 'finely-tuned' trajectory.

NASA's Perseverance rover has spotted an oddball rock in an ancient river channel on Mars. Deputy project scientist Katie ...

On a day like any other, astronomers peered into the depths of space and found something utterly perplexing on the Martian ...

NATIONWIDE — NASA announced on Wednesday that its Perseverance Mars rover may have found signs of ancient microbial life on the red planet. During a teleconference on Wednesday morning, acting NASA ...

I’m pretty confident I got more sleep last night than the riders competing at the MARS Maryland 5 Star, but as I stared at my ...

When a Mars-sized meteorite slammed into Earth billions of years ago, the impact completely reset any and all chemical ...

The South Atlantic Anomaly (SAA) is a particularly weak region of Earth’s magnetic field that can cause satellites to ...

Researchers have discovered chemical fingerprints of Earth's earliest incarnation, preserved in ancient mantle rocks. A ...

"The CO2 ice block began to dig into the slope and move downwards just like a burrowing mole or the sandworms from 'Dune.' It ...

New observations of 3I/ATLAS have revealed the latest in a growing collection of anomalies the object displays, deepening its ...

CO₂ ice blocks on Mars may dig gullies as they slide and sublimate in the thin atmosphere. In lab experiments, scientists ...

Scientists at MIT and elsewhere have discovered extremely rare remnants of "proto Earth," which formed about 4.5 billion ...