Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

Add Yahoo as a preferred source to see more of our stories on Google. (jacus/iStock/Getty Images Plus) Hundreds of millions of years ago, our world looked very different from the way it does today.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The vast stretch of ocean between the Americas and Europe may be about ...

Researchers used small zircon crystals to unlock information about magmas and plate tectonic activity in early Earth. The research provides chemical evidence that plate tectonics was most likely ...

A geologic map of the Pilbara Craton in Western Australia. The rocks exposed here range from 2.5 to 3.5 billion years ago, offering a uniquely well-preserved window into Earth's deep past. The authors ...

Hundreds of millions of years ago, our world looked very different from the way it does today. The continents were joined together in a supercontinent called Pangea, which broke apart into landmasses ...