For the first time in years, astronomers are seriously talking about adding a new member to the solar system’s planetary ...

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

Ice Age" invites viewers into a dramatic new era of prehistoric life, millions of years after the extinction of the dinosaurs ...

Earth has picked up a new traveling companion – an asteroid named 2025 PN7 that now moves through space in step with us. This ...

The planet’s long-standing natural “thermostat” is being outpaced by an feedback loop process involving algae, phosphorus, ...

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

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

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

A hyper-realistic picture of life during that Pleistocene era emerges with Apple TV's five-part, computer-driven “Prehistoric ...

Scientists traced the Moon's parent planet Theia to the inner Solar System, solving a 4.5-billion-year mystery.

Theia, the world that helped form the Moon, came from the Solar System. Chemical clues in Earth and Moon rocks reveal this ...

About 4.5 billion years ago, the most momentous event in the history of Earth occurred: a huge celestial body called Theia ...