NASA has discovered strong evidence for ancient life on Mars, a potentially groundbreaking finding for humanity. In this ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

The best reason to send humans to Mars isn’t for guts or glory—or the construction of colonies to safeguard against existential Earth-bound risks. Instead it’s to answer a single, simple question: Is ...

Scientists will gather today to debate where NASA should next land on Mars, as the American space agency prepares a new mission in its search for life on the Red Planet. The debate comes as NASA is ...

NASA is hoping to answer questions about alien life by sending humans to Mars in the 2030s for the very first time, but it ...

One researcher hypothesizes that experiments carried out by NASA's Viking landers in 1976 could have inadvertently killed microbes living in Martian rocks. Other experts are skeptical. When you ...