Scientists continue to look for signs of alien life on Mars, but this scientist truly popularized the idea, claiming to find ...

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 ...

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 ...

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