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

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 ...

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 ...

We could be one step closer to proving alien existence. In 1996, a group of NASA scientists made a stunning announcement: The discovery of what appeared to be bacterial fossils on Mars. President Bill ...

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 ...

The discovery of life on Mars revealed intriguing insights, with new developments by rovers and orbiters being analyzed often. After exploring the dried-up river beds and lakes where water once ...