Life’s ultimate origin will never be known, but researchers are probing the possibilities—for Earth and elsewhere.

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 vital ...

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

On a clear night, the moon you gaze upon looks the same as it looked for the first humans that walked Earth—the same ...

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 ...

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 ...

“We also find an approximately 0.3 percent chance that Mars will be lost through collision or ejection and an approximately 0 ...

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 ...

‘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 ...