The strongest hints yet that Mars once hosted living microbes are no longer theoretical models or ambiguous chemistry. They ...
Fifty years ago, NASA’s Viking missions to Mars made groundbreaking attempts to detect life on the Red Planet. While the ...
NASA’s rover Perseverance spent nearly a year exploring the rim of a crater believed to have held a huge lake.
Organic compounds discovered on the Red Planet cannot be fully explained by non-biological sources, say astrobiologists.
The key to solving the mystery of the Viking results is the discovery of perchlorate on the Martian surface in 2008.
Two recent discoveries from Mars - one from the surface and one in the atmosphere - are the latest evidence that the Red Planet could have once supported life, according to NASA. The space agency ...
The discovery suggests that parts of Mars may once have supported tropical-like climates, complete with heavy, sustained rainfall.
Wringing out clues that could change everything.