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

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 ...

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 ...

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 ...

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 ...

Mars, Europa and Enceladus are the three most promising locations in the solar system to search for life living off cosmic rays. When you purchase through links on our site, we may earn an affiliate ...

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, ...

Curiosity is exploring Mars’ boxwork terrain, where ridges and hollows may have formed from cementation and erosion. The rover has been documenting rock textures and chemistry, comparing smoother ...

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 ...

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 ...

"Our work is a new piece of evidence that suggests that Mars was once a much more complex and active planet than it is now." When you purchase through links on our site, we may earn an affiliate ...