In a few weeks, workers on opposite banks of the Paraguay River are expected to guide the final sections of a new ...

A new geological study reshapes the timeline of a major tectonic collision that helped form the Andes, suggesting key events occurred earlier than long assumed.

Recent seismic imaging off Vancouver Island has revealed something extraordinary: a tear in the subducting oceanic plate ...

Biologists captured the sow and another male grizzly near the Middle Fork of the Flathead and moved them to Wyoming in July ...