Mars is accelerating toward Earth, with gravity from our planet causing Mars to crack under intense pressure. Though Mars is ...

On Episode 172 of This Week In Space, Rod Pyle and guest host Rick Jenet are joined by Erika Alden DeBenedictis to discuss ...

Hundreds of millions of years ago, an asteroid caught by Earth's gravity might have fragmented, creating a temporary ring ...

Delaying Mars Sample Return will make the human exploration of Mars significantly more expensive and dangerous — and for the ...

To transform Mars into a new bioengineered Eden for human colonists, scientists have resurrected sci-fi juggernaut Arthur ...

A Ph.D. student and his supervisor have developed a simple way to test for active life on Mars and other planets using ...

This new approach, which will mix NASA assets and commercial infrastructure, would gradually replace the patchwork relay ...

Headed for a metal-rich asteroid of the same name, the Psyche spacecraft successfully calibrated its cameras by looking homeward.

Mars, once thought too cold and dry for liquid water, may briefly host salty brines twice a day during certain seasons. These ...

Scientists have found tiny crystal worlds teeming with life at the Great Salt Lake — a discovery that could reveal how ...

With its rust-colored surface, Mars has more than earned its nickname, the Red Planet. But Perseverance has offered a new ...