A Congressional bill restores funding for most NASA space science missions, but there is no money for returning samples ...

Spacecraft are assembled in specialized “cleanrooms” that are designed to avoid contamination from dust and microorganisms.

NASA's Perseverance rover's Mastcam-Z camera captured the Ingenuity helicopter's 47th Mars flight. Credit: Space.com | ...

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

Scientists have discovered a mysterious hole on the surface of Mars, and they have no idea what lies inside it. This pit, ...

NASA Curiosity rover, which launched from Florida in 2011, captured panoramic image of Mars that resembles a sunset on Earth.

Scientists identify Amazonis Planitia as a promising Mars landing site, citing possible underground water, moderate ...

Bigger than Hubble and launching as soon as 2029, the Lazuli Space Observatory would be the first-ever full-scale private ...

NASA’s Mars rover just picked up a strange sound no one expected. Scientists have confirmed what’s been suspected for decades ...

Ultimately, Mars will test our biology more than our technology. Every gram of muscle preserved, every synapse protected, every cell repaired will be a triumph of physiology. Space may dismantle the ...

LONDON -- It turns out the Beagle has landed after all -- but it never called home. The spacecraft Beagle-2 went missing on Christmas Day 2003, when it was supposed to land on Mars and start ...