Volcanic activity on Mars has existed in the past. The most recent was likely 50,000 years ago. Olympus Mons, the largest volcano on Mars, hasn't shown signs of activity for 25 million years. Volcanic ...

Add Yahoo as a preferred source to see more of our stories on Google. Some exoplanets, like the one shown in this illustration, may have atmospheres that could make them potentially suitable for life.

Life on Earth is a precious thing, especially given what astronomers know about the visible universe. Although researchers ...

The colours of microbes that live in clouds high in the sky have been measured for the first time, giving scientists clues that could help us find life on other planets. A diverse range of ...

Life on Earth may exist thanks to an incredible stroke of luck — a chemical sweet spot that most planets miss during their formation but ours managed to hit. A new study shows that Earth formed under ...

Amid a new wave of interest in the possibility of life on other worlds, Lawrence Livermore National Laboratory and NASA are embarking on a new effort to identify planets with the basic compounds for ...