Because the period of an object does not depend on its mass, comets’ orbital periods remain unchanged due to mass loss.

“One of the things that was identified quickly during that visit was the fact that Catherine was short liquor inspectors during a busy period ... Licensing to have a rotational system ...

Construction of a giant celestial solar farm is underway in China, with a scale comparable to creating a "Three Gorges Dam ...

Without two of its best players available because of injury, No. 8 Maryland women’s basketball struggled to keep pace with No ...

Grayson Allen had 14 points, nine in the final period. The Suns have won three of four since coach Mike Budenholzer reorganized the Suns’ rotation with Bradley Beal ... and 13 rebounds for Utah, and ...

Northern Michigan will have a low chance of viewing the northern lights Saturday night, with a G1 minor solar storm expected, ...

A newly discovered neutron star is behaving so strangely that it may alter our understanding of the dense remains left behind ...

Saturn’s rings, imaged here by NASA’s Cassini orbiter, are one of the solar system’s most reliably spectacular sights. But ...

Devin Booker scored 34 points and the Phoenix Suns never trailed in a 114-106 victory over the Utah Jazz on Saturday. Booker ...

The Keeble Observatory at Randolph-Macon College will resume public viewing after the holidays when students return to campus ...