A new study shows how simulated Mars dust affects tardigrades, offering insight into space farming and contamination risks.

Tardigrades have a reputation for being nearly indestructible. These microscopic animals, often nicknamed water bears, can dry out and slip into a dormant state.

The search for life on Mars dates back about five decades, and a Sept. 10 announcement marks perhaps the most dramatic advancement yet. The news: NASA's Perseverance rover had found potential signs of ...

On a battered rock in an ancient Martian riverbed, a pattern of dark, rounded patches has jolted planetary science. These “leopard spots” do not just look strange, they line up uncannily with what ...

Add Yahoo as a preferred source to see more of our stories on Google. We could be one step closer to proving alien existence. In 1996, a group of NASA scientists made a stunning announcement: The ...

NASA’s Perseverance Mars rover took this selfie on July 23, 2024, the 1,218th Martian day, or sol, of the mission. To the left of the rover near the center of the image is the arrowhead-shaped rock ...

A long time ago, life left microscopic signatures on Mars — or did it? That's the question NASA scientists have worked for years to answer. On Wednesday, NASA researchers said the answer might be in a ...

NASA's Perseverance robot, depicted here landing on the Martian dunes, used its cutting-edge cameras to image what could be the first evidence of life ever detected on Mars, opening the possibility ...

The rover’s science instruments found that the formation’s sedimentary rocks are composed of clay and silt, which, on Earth, are excellent preservers of past microbial life. The findings were made ...

Has NASA found life on Mars? In a word, no. But last year, NASA’s Perseverance rover found signs in an ancient rock that could point to life having existed on the Red Planet billions of years ago. And ...