The Leonid meteor shower peaks in North America overnight from Nov. 17 to 18, with fast-moving fireballs possible in US skies.

If you’ve ever traveled through rural Pennsylvania, you’ve likely spotted a five-pointed star on the side of a barn. But have ...

Researchers have made a groundbreaking discovery of a neutron star in the Milky Way that rotates at an astonishing 716 times per second, placing it among the fastest-spinning stars ever observed. The ...

Here’s another acronym: TULIP. T-U-L-I-P. Someone came up with it around the beginning of the twentieth century as a way of remembering the five distinguishing marks or points of Calvinism. These five ...