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 ...

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 ...

NASA’s Perseverance rover found possible signs of ancient life in rocks on Mars, keeping scientists up at night. NASA's Perseverance Mars rover took this selfie on July 23, 2024. To the left of the ...

NASA announced it found promising potential biosignatures on Mars. Potential biosignatures are things like chemicals and structures that could be a result of life on the planet, but more research was ...

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 ...

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 ...