Learn more about the hunt for bacteria on Mars and how astronauts will need to make sure they aren't bringing any dormant ...

A scientist argued that a Viking lander experiment in 1976 detected microbial life on Mars and urged NASA to repeat the tests ...

Bright white rocks spotted by NASA’s Perseverance rover are rewriting what we thought we knew about ancient Mars. These ...

NASA’s rover Perseverance spent nearly a year exploring the rim of a crater believed to have held a huge lake.

"The structures that we were able to identify in the images are clearly the mouth of a river into an ocean." The post ...

NASA’s Curiosity rover has discovered the largest organic molecules ever detected on Mars. Found inside a ...

NASA’s Curiosity rover captured a coral-shaped rock on Mars. Though not alive, its shape reveals clues about the planet’s geology. Small discoveries like this help scientists decode Mars’ ancient past ...

New findings from NASA's Perseverance rover have revealed evidence of wave-formed beaches and rocks altered by subsurface ...

More than 3.5 billion years ago, the Earth was not the hospitable world we know today. The atmosphere lacked oxygen, the seas ...

For anyone curious about what it's like to stand on another planet, Earth offers a few convincing previews. Mars may be 140 ...

The Perseverance rover is continuing its mission to find clues about the geological past of Mars. The rover’s main goals are ...

“The presence of liquid water [on Mars] is a broad topic that includes rains, rivers, lakes, as well as oceans,” says Ezat ...