Add Yahoo as a preferred source to see more of our stories on Google. One of the largest searches for alien intelligence in history is nearing completion, thanks to the help of more than 2 million ...

Why Enceladus is suddenly the prime alien‑life target Enceladus has vaulted to the front of the astrobiology queue because it offers something rare in the outer Solar System: direct access to material ...

It's quick and easy to access Live Science Plus, simply enter your email below. We'll send you a confirmation and sign you up for our daily newsletter, keeping you up to date with the latest science ...