articles

Hydrogen, the second-tiniest of all atoms, can penetrate right into the crystal structure of a solid metal.

When Yashi Parmar landed in the remote northern hamlet of Pangnirtung, Nunavut, on Baffin Island last summer, she was shown a number of steel barrels that had once contained an unidentified toxic substance.

Say what you will about the emerald ash borer and the damage it has wreaked during two decades of munching millions of North American ash trees, you have to admire its cold-weather tenacity.

Twenty-five years into a 100-year federal strategy to protect older forests in the Pacific Northwest, forest losses to wildfire are up and declines in bird populations have not been reversed, new research shows.

Earth’s northern magnetic pole is moving quickly away from the Canadian Arctic toward Siberia.