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 Australia. These zircons were formed as early as 4.4 billion years ago, and ...

Scientists unlock secrets of oldest rocks on Earth The rocks are even older than originally thought ...

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

Scientists thought this crater in Australia was the world’s oldest – but an independent analysis shows they might be off by ...

The discovery of an ancient meteorite impact crater was recently reported in Western Australia. But not everyone is convinced ...

This lack of preserved geological records makes it difficult to reconstruct what the Earth looked like during the Hadean Eon, leaving many questions about its earliest evolution unanswered. We are ...

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