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.

"By 3.465 billion years ago, life was already diverse on Earth; that's clear—primitive photosynthesizers, methane producers, methane users," Schopf said in a press release.

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

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 ...

About 4.54 billion years ago, Earth was forming out of dust and rocks left over from the sun’s birth. Smaller solar leftovers continually pelted baby Earth, ...

But a recent study challenges this theory, instead putting forth the idea that roughly 3.5 billion years ago, at the dawn of life, Earth’s climate was actually relatively cool – not unlike how ...

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. VIEW GALLERY - 4 Jak Connor ...

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 ...

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.

Other finds even suggest Earth could have been inhabited extremely quickly, as far as 4.3 billion years ago, though these fossils are heavily contested. Still, for most of its existence life on ...

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.