The strongest hints yet that Mars once hosted living microbes are no longer theoretical models or ambiguous chemistry. They are etched into a single, oddly speckled rock in an ancient riverbed, where ...

It would really suck to be all alone on Mars at night. The post This Photo of Mars at Night Is Straight Up Haunting appeared ...

The discovery suggests that parts of Mars may once have supported tropical-like climates, complete with heavy, sustained rainfall.

New evidence of ancient rivers suggests Mars may have been a "blue planet," thanks to an ocean spanning its entire northern ...

Decades of exploration have transformed our understanding of Mars, from Viking landers to the rovers Perseverance and ...

NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts to collect Perseverance rover samples that could contain evidence of alien ...

What everyone agrees on is that NASA needs a new spacecraft capable of relaying communications from Mars to Earth. This issue ...

A pull in the right direction ...

Bright white rocks found by NASA’s Perseverance rover hint at ancient Martian rain lasting millions of years, raising new questions about how wet Mars once was and what those conditions might mean.

A new study has examined how future human missions to Mars could access one of the planet's most vital resources—water. The ...