Skywatchers will have a lot to look at in the night skies over Alabama in December. A super moon, a meteor shower and a comet ...

A small, icy traveler from deep space has just threaded its way through the inner Solar System, offering a fleeting but ...

The calendar turning to the final month of the year brings with it not just the festive excitement of Christmas and New ...

New high-contrast images from SPHERE show a stunning variety of debris disks shaped by collisions of tiny planet-building ...

Observations with the instrument SPHERE at ESO's Very Large Telescope have produced an unprecedented gallery of "debris disks" in exoplanetary systems.

December is the month that fans of 3I/ATLAS have been waiting for as the interstellar comet makes its closest approach to ...

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.

To catch the Geminids peak, look to the eastern sky all evening on Dec. 13 and Dec. 14. The meteors will appear near the bright planet Jupiter. With the darkest possible skies, you could see up to 120 ...

Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial ...

Still, science being science, we needed proof—and we got it in 1992, when two astronomers found two planets orbiting a pulsar ...

Since early November, Venus has brought an intense, possessive, secretive and intimacy-bolstering vibe to relationships, ...

NASA released new images of 3I/ATLAS, the third comet ever to be discovered in Earth's cosmic neighborhood originating from ...