Kurtz’s Mill Covered Bridge gleams white against the blue Pennsylvania sky like a cloud come to earth. Inside, wooden beams create a tunnel effect that frames the view beyond in a perfect rectangle.

The planet’s rotation fluctuates as it travels around the sun, and measurements suggest we’re losing more than a millisecond ...

Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. In a study appearing in Science Advances, ...

The Earth is predicted to make its fastest rotations on July 9, July 10, July 22 and August 5, according to a Time and Date ...

In its closest-ever dive into the Sun’s atmosphere, NASA’s Parker Solar Probe has returned stunning new images and data that ...

By Ben Aris in Berlin Scientists are warning that global warming is disrupting the natural rhythm of the El Niño-Southern ...

Early signs of a possible La Niña fall and winter are emerging in some climate models, federal forecasters announced Thursday July 10.