As scientists wait for the asteroid to reappear, its revised trajectory is now drawing attention to another possible target: the moon.

Astronomers have observed what they believe to be a never-before-seen companion star orbiting Betelgeuse, a pulsating red supergiant star in the shoulder of the Orion constellation. One of the best ...

Californians could catch the first Starlink satellite launch in more than a week from the Vandenberg Space Force Base. A SpaceX Falcon 9 rocket carrying the internet-beaming satellites ...

Looking for something to do this weekend? Arizonans could catch the first Starlink satellite launch in more than a week from neighboring California.