Around 4.5 billion years ago, a planet called Theia is thought to have smashed into newborn Earth. The messy collision kicked ...

These images mark an early milestone in the mission, confirming that OSIRIS-APEX is healthy and on course for its 2029 ...

Scientists found 3.3 billion-year-old biosignatures in ancient meteorites and fossils—a billion years older than we thought ...

Two mysterious blobs deep inside Earth may hold clues about the origin of life on our planet, new research finds. Deep ...

"One Hand Clapping" draws from neuroscience, evolution, philosophy and a rich tapestry of cultural references to examine how ...

Some forecasters say a complex dance involving the polar vortex could send some of Earth's most extreme cold toward the ...

To see Earth from space is to be forever changed by the view. Since Alan Shepard became the first American to lay eyes on our ...

An international team has made a significant breakthrough in understanding the tectonic evolution of terrestrial planets.