In one minute we capture the immense beauty of our planet, thanks to NASA images that reveal fascinating perspectives of planet Earth.

Scientists search for exoplanets and signs of life in space because understanding whether life exists beyond Earth is one of the most important goals in modern science. In space exploration, ...

Finding Earth-like planets orbiting sun-like stars and identifying signs of life such as oxygen or water is a major goal in astronomy and a key interest for the public. Addressing this challenge ...

Tiny life forms tucked into debris from an asteroid hit could catapult to other planets—including Earth—and survive, a new Johns Hopkins University study finds. The work demonstrates that a certain ...

Mars wasn't always frozen and barren. Billions of years ago it had flowing rivers, standing lakes, and possibly oceans. It ...