A rock sample collected by NASA’s Perseverance Mars rover may contain evidence of ancient microbial life, preserved for billions of years on the Red Planet. The potential “biosignature” is not direct ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) When scientists started looking into the data, they found two types of iron-rich ...

NASA may have discovered a biosignature on Mars, but could China be in position to get crucial samples back to Earth first to make a definitive analysis? NASA's Perseverance team announced on Sept. 10 ...

NASA's Perseverance rover has found potential evidence of ancient microbial life on Mars. Scientists must bring the rock to Earth for further study, but three key features make it promising. The ...

Campbell Rider is the recipient of an Australian government RTP scholarship for his doctoral studies. Whether or not we’re alone in the universe is one of the biggest questions in science. A recent ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Amy J. Williams, University of Florida (THE CONVERSATION) As the Perseverance rover ...

NASA's Perseverance rover may have uncovered hints of ancient Martian life, but China's Tianwen 3 mission could be the first to deliver samples back to Earth. NASA may have discovered a biosignature ...