"It's been such a puzzle that there was liquid water on Mars, because Mars is further from the sun, and also, the sun was ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

Though it's a cold, dead planet, Mars still has its own natural beauty about it. This image shows us something we'll never ...

The mounds are located near the future landing site of ESA's ExoMars Rosalind Franklin rover, which is expected to launch in ...

‘Dire at best’: A 44-year-old Chicago woman bought a house listed for $1 in Italy — then had to spend $446,000 on renovations ...

On Thursday January 30th, astronauts Suni Williams and Butch Wilmore are doing a 6.5-hour spacewalk outside the International Space Station.