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 ...

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

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.

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

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

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

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

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

About 4.5 billion years ago, a colossal impact between the young Earth and a mysterious planetary body called Theia changed everything—reshaping Earth, forming the Moon, and scattering clues across ...

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