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

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 ...

It now has not one but two new options to choose from — both are faster and cheaper. The samples could return as soon as 2035 and may contain the first-ever signs of ancient alien life. The ...

SpaceX CEO Elon Musk suggested on a Wednesday episode of Senator Ted Cruz's podcast that while humans may not find living aliens on Mars, they could uncover the "ruins of a long-dead alien ...

Scientists have discovered astonishing microbial diversity deep beneath Earth's surface, which could have implications in the hunt for life on Mars. The study, published in Science Advances, examined ...

In 2010, a NASA satellite image of what looked like "trees" on Mars sparked global speculation. This video uncovers the astonishing scientific truth behind the iconic photo. Using HiRISE camera data, ...

An alien doorway on Mars, as captured by Mast Camera (Mastcam) onboard NASA's Mars rover Curiosity on Sol 3466 (image courtesy NASA) Scientists and David Bowie have all famously wondered if there is ...

A new book details the turn-of-the-century Mars craze It’s not aliens. It’s never aliens. Claims of extraterrestrial life are so common that experts now have this cheeky retort at the ready. In The ...