The origins of plate tectonics on Earth are hotly debated, but evidence from Australia now shows that parts of the crust ...

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

Thomas Mulligan examines the theory that asteroids could have delivered life’s building blocks to Earth 3.5 billion years ago.

A new study that looks at glacial deposits and hydrothermal fields at the bottom of the ocean disputes the conventional belief that Earth, in its earliest years, had scorching temperatures.

These fossils, dated to 1.75 billion years ago, have shifted our understanding of the timeline for this life-sustaining process, pushing its origins back by at least 1.2 billion years.

Many geologists now think Earth may have been tepid and watery from the outset. The oldest rocks in the record suggest parts of the planet’s crust had cooled and solidified by 4.4 billion years ago.

Stunning Fossil Discovery Proves Life on Earth Began At Least 3.5 Billion Years Ago Published Dec 18, 2017 at 5:25 PM EST Updated Dec 18, 2017 at 5:33 PM EST ...

Life on Earth might have started billions of years ago on land, not in the sea, according to a new study. A group of researchers found that the red rocks of the Pilbarra in Western Australia ...

Scientists have discovered evidence that an isolated pocket of complex life may have evolved on Earth more than 2 billion years ago – only to go extinct and take another 1.5 billion years to ...

A team of scientists discovered an untouched region on Earth that could provide them with a window to life on the planet 3.5 billion years ago.

The 50-mile-long (80 kilometers) ridge contains crystallized minerals called zircons dating to 4.4 billion years ago, making them the oldest Earth materials ever found.

Scientists have discovered the world’s oldest known meteorite impact crater in Western Australia. It has been dated to about 3.5 billion years ago, at a time when these almost literally Earth ...