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

Scientists agreed the rocky outcrops in a remote part of Quebec, Canada, were ancient. But were they really Earth’s oldest?

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.

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

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

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.

At the time, the Earth's surface was hot enough to bake pizza, but rocks still solidified. Those in this area formed almost ...

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 ...

When the Apollo 14 astronauts returned samples from the moon’s surface, they probably didn’t realize that they were reuniting Earth with a bit of its early history.

Scientists say they’ve extracted some of the oldest rocks on Earth from a rock formation in northern Quebec. The rocks have ...