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

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

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 Perseverance rover has been exploring Jezero Crater for years, but it's never found an otherworldly object quite like ...