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

Rocks from the Hadean Eon, the first period in the geological timescale, have been dated in Québec. These are some of the ...

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

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

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

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

Rocks from the Hadean Eon, the first period in the geological timescale, have been dated in Québec. These are some of the oldest terrestrial materials dated by scientists.

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

Strange cone-shaped rocks led scientists to the hidden remains of one of Earth’s oldest asteroid impacts. It could help us find fossil life on Mars.

A 54-pound meteorite from Mars is expected to fetch up to $4 million when it goes up for auction later this month at ...

AN INTERSTELLAR space rock zooming through our solar system may be the oldest comet ever seen by humans, according to ...