Scientists have uncovered the oldest direct evidence yet that Earth’s tectonic plates were on the move 3.5 billion years ago. By analyzing magnetic fingerprints in ancient rocks, they reconstructed ...

The formations in Zhangye Danxia, China, are created by sediment layers shaped over millions of years. Wind and erosion carved the ridges and slopes. The patterns reflect long geological processes.

NASA’s study of Bennu reveals why its rocky surface behaves like sand. The answer lies in cracks deep inside its boulders.

On Monday, a paper announcing that all four DNA bases had been found on an asteroid sparked a lot of headlines. But many of ...