New research from Portland State University focused on identifying signs of life—biosignatures—in extreme environments here ...

WWF works to sustain the natural world for the benefit of people and wildlife, collaborating with partners from local to global levels in nearly 100 countries. Celebrate Earth Day all month long with ...

Modern continental rocks carry chemical signatures from the very start of our planet's history, challenging current theories about plate tectonics.

Researchers have discovered cratonic thinning occurring beneath North America, driven by the remnants of the Farallon Plate.