According to Live Science, the lakes formed about 20,000 years ago because of a hotspot beneath the supercontinent of Pangaea that existed 300 million years ago. The supercontinent broke apart to ...

Interactions between Earth and the solar system have profoundly shaped the planet’s history, influencing evolution and climate. One striking example is the asteroid impact 66 million years ago ...

The study also provides a new approach to solving one of the biggest enduring scientific mysteries: when did plate tectonics ...

Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 ...

A day on Earth was just 23.5 hours long, 70 million years ago. Researchers discovered this by studying the growth rings of ancient mollusk fossils. The findings could tell us more about or planet ...

Few animal fossils have been found in the mine—chemicals in the ancient swamp's water may have dissolved shells and bones—but other sites from more than 300 million years ago, a period known ...

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 ...