In a surprising twist on our planet’s ancient history, scientists are now suggesting that Earth might once have had a ring ...
Earth may have sported a Saturn-like ring system 466 million years ago, after it captured and wrecked ... planet's tectonic ...
Everest, about 60 million years ago, was the rapid movement of India northward toward the continent of EuroAsia; Click here for a present-day map of the ... look beneath the Earth's surface.
Researchers have proposed that Earth may have had a ring system 466 million years ago, during a period of intense meteorite bombardment known as the Ordovician impact spike. This finding ...
A team of 16 scientists and support staffers spent four summers drilling through Antarctic ice until they finally reached bedrock. To accomplish their goal, they endured average temperatures of -25.6 ...
About 800 million years ago, oxygen levels reached about 21 percent and began to breathe life into more complex organisms. The oxygen-rich ozone layer was also established, shielding the Earth's ...
The Great Lakes formed where they did 20,000 years ago thanks to a hotspot that sat under the supercontinent Pangaea 300 million years ... rise from the mantle, Earth's middle layer.