From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

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 ...

NASA has confirmed the possible discovery of signs of ancient life on Mars, while quashing rumours that the comet 3I/ATLAS was an "alien spaceship". During a press conference, NASA's Associate ...