Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

A giant impact on the early Earth could have brought the building blocks of RNA to our planet, which new research suggests ...

Early Mars seems to have had a protective atmosphere and liquid water in the form of oceans, rivers, and lakes. It may also ...

In collaboration with researchers from Toho University in Japan, NASA researchers have used supercomputers to model and determine how long life will remain possible on Earth. The calculated end date ...