Gravity, atmosphere, temperature, and day length shape everything about how humans live and function. On other planets, these ...

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.

For life to develop on a planet, certain chemical elements are needed in sufficient quantities. Phosphorus and nitrogen are ...

The search for alien life often sparks the imagination with images of extraterrestrial beings and strange worlds. However, a new theory is shifting the focus—what if life elsewhere in the universe ...

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 ...

Morgan Underwood receives funding from NASA-funded CLEVER Planets (Cycles of Life-Essential Volatile Elements in Rocky Planets) research project. When astronomers search for planets that could host ...