What if extraterrestrial life is hiding in places we had completely ruled out? For decades, astronomers have focused their ...

For many years, astronomers have been looking for extraterrestrial life. In doing so, astronomers have narrowed their search to a small “habitable zone” around stars.

A strange type of ice thought to dwell deep in the oceans of alien planets has finally been proven to exist. For the first time, researchers have directly observed a sort of hybrid phase of water ...

We have only one example of biology forming in the universe—life on Earth. But what if life can form in other ways? How do ...

A new study offers key insights into Mars' water cycle. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Scientists have found seismic clues that ...