Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial ...

Still, science being science, we needed proof—and we got it in 1992, when two astronomers found two planets orbiting a pulsar ...

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

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

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

The long nights of December are an astronomical delight. The early evening sky hosts Saturn as the main feature, along with ...

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

From woolly mammoths to giant sloths, via some lesser-known ice-age beasts like 'killer koalas', the visuals in this ...