A planetary scientist walks through the sensors and systems that went into the recent detection of potential biosignatures.

This week in science: The most tantalizing evidence ever for life on Mars; a samurai-inspired routine for seniors; ...

NASA’s Mars rover finds organic signals in mudstone that resemble microbial activity, sparking new debate over life on the ...

Scientists believe intriguing leopard spots on a rock sampled by the Perseverance rover on Mars may have potentially been ...

A UK-born woman may be about to go to Mars for a year – at least in simulated form. Laura Marie is on the alternate crew list ...

NASA’s Perseverance rover detects potential biosignatures in Jezero Crater sample Discovery published in Nature marks closest ...

The agency’s scientists are still not saying they found fossils of Martian microbes, but analysis of the specimen collected ...

While Mars today only has a wispy remnant of an atmosphere, it may once have had one hundreds of times thicker with a ...

The National Aeronautics and Space Administration announced Wednesday that it may have found signs of ancient life on Mars.

Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the ...

On the Red Planet, aurorae glow green because the charged particles collide with oxygen atoms high above Mars. They may be ...

The potential “biosignature” isn’t direct evidence of life itself, but rather a leftover sign that textural features on the ...