Australia holds the oldest continental crust on Earth, researchers have confirmed, hills some 4.4 billion years old ... solidified from lava there eons ago. (See also: "Oldest Rocks on Earth ...

Within just a few million years, the continental plates begin to bend and squish toward each other. Around 200 million years ...

Roughly 4.5 billion years ago, a Mars-sized protoplanet named Theia slammed into the young Earth, causing a massive cataclysm that reshaped the very structure of the planet. This was a direct hit ...

Earth 4 billion years ago: a primitive ocean, orange skies, and... freshwater. This surprising vision changes our understanding of the emergence of life on our planet. A new study reveals that ...

Scientists estimate that the first generation of reptiles evolved between 320 and 310 million years ago, this group was later dominated by dinosaurs which paleontologists say they evolved on Earth ...

Iron ore deposits are about 1.3 billion years younger than previously believed, reshaping both scientific thinking and mining ...

Rodinia, in turn, is formed by the break-up of an even older supercontinent called Nuna about 1.35 billion years ago. Among the planets in the Solar System, Earth is unique for having plate tectonics.

had been used as evidence to support the theory that plate tectonics started nearly as soon as Earth had solid ground — roughly 4 billion years ago. "That's probably a flawed argument now ...

A new study suggests a massive meteorite impact 3.26 billion years ago, far larger than the dinosaur killer, may have acted as a "giant fertilizer bomb" on early Earth. This impact, releasing ...

From 3 billion years ago to roughly 600 million years ago—right at the dawn of complex life on the planet—the Earth’s oceans would’ve been significantly more green than they are today.

‘My work focuses on estimating early Earth’s history. In the last few years, I’ve worked on the Hadean Eon which was about 4.5 billion years ago — this is the most mysterious part of our ...

The strength of Earth’s magnetic field seems to rise and fall hand-in-hand with the abundance of oxygen in its atmosphere, a ...