Several weeks during summer 2021 saw heat records in the western United States and Canada broken not just by increments, but by tens of degrees, an event of unprecedented extremity. To what degree was it climate change, bad luck, or a combination?

Researchers at the University of Oregon have created a portable tool that uses lasers to study glacier retreat in remote areas that are typically difficult to reach.

As warming streams reduce the populations of chum salmon in northwest Washington, bald eagles are exploring adjacent farmland for alternative foods.

Once filled with ice, glacial valleys are now flowing with water in a warming climate, opening up new habitat for the Pacific salmon and revealing opportunities for a modern-day gold rush in parts of British Columbia and Alaska, a new study finds.

Researchers have set sail to find and map a fault that causes giant earthquakes in the Pacific Northwest.

Tightly packed sediments help the Cascadia Subduction Zone generate large earthquakes, and could boost its ability to trigger a large tsunami.

Lamont-Doherty scientist Timothy Crone is at sea off the Northwest U.S. coast, dropping sensors into the deep ocean as part of a major initiative to better understand oceans, climate and plate tectonics. Watch a live video feed from the latest dive at 3 p.m. EST.