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Horses are the only animals known to whistle while they sing.

On Saturday, go outside about an hour after sunset, look to the western sky and spot Mercury, Venus and Saturn close to the horizon.

The Pentagon and the Energy Department for the first time airlifted a small nuclear reactor from California to Utah, demonstrating what they say is the U.S. potential to quickly deploy nuclear power for military and civilian use.

Organizers of the 2026 Milan Cortina Games pledged that virtually all of the electricity to power the Winter Olympics would be clean.

This will come as a surprise to no one, but exercise is really good for us. But why it works and how it works are far less understood. Horizons moderator William Brangham explores that with Stanford University's Euan Ashley. He's a professor of ...

Several feet of new snow did not have time to bond to the earlier layer before the avalanche near Lake Tahoe killed at least eight backcountry skiers, said Craig Clements, a meteorology professor at San Jose State University ...

If unknown DNA evidence can be connected to someone in a genealogical database, it could lead investigators to a suspect in Guthrie's apparent kidnapping in Arizona.

A coalition of health and environmental groups sued the Environmental Protection Agency on Wednesday, challenging the rescinding of a scientific finding that has been the central basis for U.S. action to regulate greenhouse gas emissions and fight .. ...

The cormorant, a shiny black waterbird, had a triple fishing hook stuck in its beak when it made its presence known at the glass door of the Klinikum Links der Weser hospital in the German city of Bremen on Sunday.

Plastic beads are increasingly viewed as a problem, but a Mardi Gras without beads also seems unfathomable.