Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name "Hadean" comes from the ...

The oldest terrestrial materials ever dated by scientists are extremely rare zircon minerals that were discovered in western ...

In all, there are only 400 known Mars rocks on Earth, comprising less than 1% of all known space rocks on the Blue Planet.

"The impact could pose some danger to equipment or astronauts on the moon, and certainly to satellites and other Earth-orbiting platforms, which are above our atmosphere." ...

Ever been late because you misread a clock? Sometimes, the "clocks" geologists use to date events can also be misread.

The largest-known piece of Mars to be found on Earth will be up for bid and could be sold for up to $4 million at auction.

The ancient history of Earth has always been hard to read. Most of the planet’s earliest crust has been lost, buried, or ...

Scientists created a simulation showing that early Earth still retained chemical traces of its igneous youth, 4.5 billion years ago.

A rare rock from Mars known as Meteorite NWA 16788 will be up for auction at Sotheby's on July 16. The meteorite may sell for ...

Our planet has been asteroid-smashed, melted and eroded, enough that most of its original armor has been long buried. Except ...

Microbes have been discovered alive inside 2-billion-year-old rock, offering a rare window into Earth’s deep past. Found in ...

Scientists discover potentially oldest rocks on Earth in Canada's Nuvvuagittuq Greenstone Belt, sparking debate over their ...