A private U.S. spacecraft bound for the moon has captured stunning images of Earth one week into its flight.

Astronomers have detected fast-repeating radio bursts from a distant "dead" galaxy that should not contain the energy to produce these types of signals.

The U.S. Postal Service has issued two new stamps featuring iconic images from NASA’s James Webb Space Telescope. The stamps, ...

While Earthlings were wrapping gifts and preparing holiday buffets this past Christmas Eve, a rocket named for a south ...