The Yellowstone region's Beartooth Mountains feature some of the most ancient rocks in North America — as old as 3.96 billion ...

Unusual rocks on an Icelandic beach were dropped there by icebergs, adding to evidence that an unusually cool period preceded ...

Newly published research has revealed that compositional rock anomalies within oceanic plates caused by ancient tectonics influence the trajectory and speed of the plates as they plunge deep into ...

A new analysis of a fossil found in 1889 has unveiled the presence of zeolites—and an entirely new mineralization method.