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

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

Geologists confirm that industrial waste turns into rock in just 35 years, challenging traditional ideas about geological formation.

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.

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

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

The most massive chunk of Mars ever found on Earth could sell for up to US$4 million in a Sotheby's auction later this month.