Scientists have discovered a new type of sedimentary rock made of debris from slag heaps, formed in the geological blink of ...

The 311-gram space rock was discovered in 2023 and is known as the Northwest Africa 16286 meteorite — and based on the decay ...

New research suggests a group of rocks found in northeastern Canada might just be the oldest rocks on Earth.

A 2.35-billion-year-old Moon rock that fell to Earth in Africa is rewriting what we know about lunar volcanism. This rare meteorite, studied by UK scientists and unveiled at a major geochemistry ...

Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name "Hadean" comes from the Greek god of the underworld, reflecting the extreme heat that likely ...

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.

[ Related: Ancient rocks tie Roman Empire’s collapse to a mini ice age. ] They found that both chronometers indicated that the rocks are 4.16 billion years old.

Since then, the age of those rocks — found in the Nuvvuagittuq Greenstone Belt — has been controversial and the subject of ongoing scientific debate.

Our investigation found shatter cones in the same 3.47 billion-year-old rocks, but also in younger overlying rocks, including lavas known to have erupted 2.77 billion years ago.

A belt of swirly, stripey rock in the northeast reaches of Canada looks like it contains some of the oldest minerals ever found on our planet's surface. A new dating analysis of minerals in the ...

Studies of these zircon minerals has given us clues about the Hadean environment, and the formation and evolution of Earth’s oldest crust. The zircons’ chemistry suggests that ...

In 2016, a remarkable discovery took place deep beneath the surface of a Canadian mine, where Professor Barbara Sherwood ...