New research suggests Earth's Moon formed from the catastrophic collision of our planet with its \"sister\" planet, Theia, ...

About 4.5 billion years ago, Earth had a violent neighbor. A young, still-forming planet named Theia slammed into our world with enough force to melt vast portions of its mantle and scatter a huge ...

A newly discovered, faint radio emission, the Hectometric Continuum, emerges only after sunset and pulses through Earth's ...

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

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

The presence of electrical activity has implications for surface chemistry, future human exploration and habitability on the ...

Deep within Earth’s mantle, scientists have uncovered surprising evidence that traces of the planet’s early form,proto-Earth, ...

Oxygen, essential to our existence, took nearly a billion years to appear in significant quantities on Earth, despite the ...

With their bright green eyes and slender bodies, gulper sharks are odd-looking, prehistoric creatures that have been around for millions of years. Found worldwide in waters from 200 to 1,500 meters ...

The evidence is not visual, as we might expect when we picture lightning. Instead, it is audio recordings from the SuperCam ...

Interstellar comet 3I/ATLAS is now within 300 million km of Earth. Discover why NASA and ESA are tracking this ancient ...