NASA’s discovery of potential evidence of ancient life on Mars means “our galaxy could be teeming with life,” says a ...

Mars is an inhospitable desert planet. Billions of years ago, things were different. In Jezero Crater, for example, fed by a ...

A mudstone sample from Jezero Crater shows textures and minerals that on Earth often form through microbial activity. Scientists caution that nonbiological processes could also explain the features, ...

Scientists discovered that baker’s yeast can survive harsh Mars-like conditions, revealing how simple life forms adapt under ...

Blocks of frozen carbon dioxide sliding down Martian dunes may have carved the planet’s strange gullies, mimicking the work ...

If life ever existed on Mars, traces of it might still be frozen beneath the planet's icy surface.

NASA’s Perseverance rover faced a tense situation on Mars when its drill bit became lodged in a layer of rock, delaying its ...

The findings may redefine the known boundaries of life on Earth and offer a model for what microbial life might look like on ...