NASA has announced the discovery of an Earth-like planet orbiting a Sun-like star that shares several other similarities with ...

Scientists suggest that huge reserves of hydrogen inside the Earth may have been key in the formation of water.

A peer-reviewed paper published in Nature Ecology and Evolution argues that the steady loss of dissolved oxygen across the world’s oceans, lakes, and reservoirs qualifies as a tenth planetary boundary ...

In a secluded corner of the Lynx constellation, just 18 light-years from our planet, astronomers have found a stunning jewel—a planet around a tiny red dwarf star that may have the right conditions to ...

Earth’s largest hydrogen reservoir may not be in its oceans but deep within its core. Laboratory experiments suggest that the ...

You may have heard a lot of online chatter about Earth's two moons recently, but that doesn't quite get the discovery right. Earth still only has one true natural satellite — our 2,159-mile-wide moon ...

As part of the agency's efforts to enable broader use of space, NASA has released its final goals and objectives for low Earth orbit, defining the long-term approach toward advancing microgravity ...

More than 250 million years ago, life on Earth faced its most devastating crisis — a global event so severe that it wiped out nearly three-quarters of life on land and an even larger share in the ...