The moon may have received a volcanic facelift, making it more than 100 million years older ... began forming about 4.6 billion years ago, or about 250 million years earlier.

A new study reveals that Earth's biomes changed dramatically in the wake of mass volcanic eruptions 252 million years ago.

Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 million to 230 million years ago in the Triassic Period, and went ...

Our solar system's journey around the center of the Milky Way takes it through varying galactic environments, and one may have had a lasting impact on Earth's climate, according to a new study.

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 ...

Establishing a direct link between Earth's interior dynamics occurring within the first 100 million years of its ... were established four billion years ago, very soon after the planet came ...

Over two hundred fifty million years ago, India, Africa ... the collision of India with Asia we must first look beneath the Earth's surface. The continents are carried by the Earth's tectonic ...

Learn about the time period that took place 65 to 23 million years ago. 3 min read At the dawn ... conspicuously absent from the face of the Earth. Rodent-size (and perhaps larger) mammals emerged ...

The journey to Earth's vibrant colours began over 600 million years ago with the evolution of vision. Fast-forward to today, and this advancement has resulted in trichromatic vision, the ...