The history of Earth is written on the great tablets of tectonic plates. The motions of plates shaped land masses, formed oceans, and created the varied climates and habitats that set the stage for ...

Planetary scientists have long debated where the material that formed Earth comes from. Despite its location in the inner ...

A new study focuses on krypton gas in the hopes of understanding how ancient coastlines and landscapes change in Earth’s past.

A new study from Harvard geoscientists reports the oldest direct evidence yet of plate motion, dating to 3.5 billion years ago. In a study published March 19 in Science, the researchers found that ...