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

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

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

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

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.

Scientists have identified what could be the oldest rocks on Earth from a rock formation in Canada. The Nuvvuagittuq ...

Normally, younger rocks are deposited above older ones, forming predictable geologic layers. In the North Sea, this process ...

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 ...

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

Ancient oceans with phosphorus-rich waters may have supported some of Earth’s earliest microbial life, according to a new ...

These rocks are unambiguously dated at 4.03 billion years old, marking the boundary between the Hadean Eon and the next chapter in Earth’s history: the Archean.