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

NASA sent the science community into a frenzy with the release of images of rocks on Mars, which led to one suggesting they were actually fossils that showed signs of "soft-bodied creatures" ...

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