While exploring a rocky outcrop known as the Bright Angel formation, Nasa’s rover detected surface spots and nodules, along with carbon-based compounds ...

NASA’s Mars rover Perseverance has uncovered rocks in a dry river channel that may hold potential signs of ancient ...

NASA announced Wednesday that its Perseverance rover discovered what scientists are calling a "potential biosignature" in a rock on Mars last year. This signature, which may have a biological origin ...

A biosignature is any characteristic, element, molecule, substance or feature that serves as evidence for past or present life. It must be something that cannot be produced without life. Some examples ...

NASA's interim leader Sean Duffy didn't make it through a single sentence in his announcement that the agency's Mars ...

Minerals in the rock might have been produced by microbes in chemical reactions, but researchers say they’ll need to examine the sample more closely to know for sure ...

Published in Nature, the study stresses that the evidence remains preliminary. NASA noted that the same mineral and chemical ...

Texas A&M University geologist Mike Tice was on the international team of scientists that analyzed data from NASA's ...

NASA’s Perseverance Mars rover may have uncovered evidence of ancient microbial life on Mars, according to research published ...

NASA is increasingly sure its Mars rover Perseverance found a rock with biosignatures of ancient microbial life. However, the sample would need to be tested in labs on Earth to confirm the findings ...

Research led by NASA suggests a habitable past on Mars based on the discovery of minerals in Martian rocks associated with ...

Mars just flashed its strongest hint of ancient life yet. So-called "leopard-spot” mineral fingerprints inside a river-carved ...