A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of ...

A compact stellar corpse in our own galaxy has just delivered one of the strangest surprises in recent astrophysics: a vast, ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

For more than 25 years, humans have lived and worked continuously aboard the International Space Station, conducting research ...

The International Space Station (ISS) is a closed ecosystem, and the biology inside it — including its microbial residents — ...

A study by scientists at Penn State and NASA shows that intact biomolecules from dormant microbes break down much more slowly ...

Dr. Rowan Martindale, a paleoecologist and geobiologist at the University of Texas at Austin, was walking through the Dadès Valley in the Central High Atlas Mountains of Morocco when she saw something ...

In the bigger picture, “down” could be defined as being below the plane of the solar system, which is known as the ecliptic.

Exceptionally preserved fossils from the Ediacaran period challenge what scientists thought was possible in sandstone. In the fossil record, creatures without hard shells or skeletons, such as ...

New satellite photos reveal that one of the world's largest and longest-lived icebergs, A23a, has developed vibrant blue ...

A granite wall under the Atlantic Ocean in France reveals the existence of a community that predates the arrival of ...