First-time visitors to Yosemite Valley gape in awe at the sheer granite wall of El Capitan and the neatly sliced face of Half Dome, aware, perhaps vaguely, that rain and glaciers must have taken a long time to cut and sculpt that landscape. But how long?

Hazardous levels of benzene, a gas known to cause leukemia and other blood cancers, are leaking from gas stoves in California, a new study finds.

Ship tracks, the polluted marine clouds that trail ocean-crossing vessels, are a signature of modern trade.

If you were to travel from Arctic Canada and head south down the Rocky Mountains into the US towards Mexico, the further south you go, the more black wolves there are.

This year La Niña returns for the third consecutive winter, driving warmer-than-average temperatures for the Southwest and along the Gulf Coast and eastern seaboard, according to NOAA’s U.S.

Water levels on the Mississippi River normally decline in the fall and winter, but not by nearly as much as they did in October 2022.

Michigan State University and the University of California, Merced are working to get a better handle on the huge problem of climate change with the help of some very small organisms.

In Star Trek, the Borg are a ruthless, hive-minded collective that assimilate other beings with the intent of taking over the galaxy. 

This week, an international group of 10 scientists is calling for protective limits on fishing in Antarctica’s Southern Ocean, reporting in the journal Science that current levels of fishing, combined with climate change, are taking a concerning toll on a diverse ecosystem of global importance.

A new study shows for the first time that wildfires burning in West Coast states can strengthen storms in downwind states.