The asteroid, around 100 feet in diameter, is speeding toward our planet at about 22,000 miles per hour, according to NASA.

The CRASH Clock is a new predictor of how much time there will be before a collision if a solar storm knocks out power and ...

The space rock has a 4.3% chance of striking the Moon in six years—and it could generate a flash nearly as bright as Venus.

The Milky may not have a supermassive black hole at its centre, scientists claim. Until now, it has been widely believed that ...

Mercury reaches its peak evening visibility this February, offering Northern Hemisphere observers a longer post-sunset viewing window, higher altitude and a crescent moon reference.

By Will Dunham WASHINGTON, Feb 5 (Reuters) - Scientists are observing the behavior of a supermassive black hole that is ...

A vast, flat sheet of dark matter may solve the long-standing mystery of why our neighboring galaxy Andromeda is speeding ...

Astronomers witnessed a star emitting as much energy in mere moments as our sun puts out in a few months. The dramatic ...

New infrared observations reveal that the rare interstellar visitor known as comet 3I/ATLAS has dramatically brightened during its farewell tour of the solar system.

A study led by the Center for Astrobiology (CAB), CSIC-INTA, using modeling techniques developed at the University of Oxford, ...