About 4.5 billion years ago, Earth had a violent neighbor. A young, still-forming planet named Theia slammed into our world ...

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

Two enormous structures that sit at the border between the Earth's mantle and its core have puzzled scientists for decades.

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

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

One fateful day about 4.5 billion years ago, a Mars-sized body called Theia collided with proto-Earth, turning both into a ...

"The most convincing scenario is that most of the building blocks of Earth and Theia originated in the inner solar system.

From major volcanic eruptions, to supercharged earthquakes to dedaly wildfires and floods, Earth's systems are going through ...

Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of ...

Last year, the most violent geomagnetic storm to strike Earth in over two decades did more than disrupt GPS systems and ...

Researchers have pinpointed a super-Earth in the habitable zone of a nearby M-dwarf star only 18 light-years away.

This new understanding comes from a study by a team led by Rutgers University geodynamicist Yoshinori Miyazaki. The research ...