Researchers at Penn State University suggest that Earth’s only satellite may have come from a “binary-exchange capture” ...

The cryovolcanic "centaur" comet 29P/Schwassmann-Wachmann has erupted four times in less than 48 hours, becoming unusually ...

Comet C/2023 P1, Nishimura visible from Earth. Credit: NASA/JPL-Caltech | edited by Space.com Newsom calls special session to ...

How, when, and where to look to see Comet C/2023 A3 (Tsuchinshan-ATLAS) after sunset this weekend, with sky charts, before it disappears.

Find out how comets are connected to some of our favorite annual astronomy events with November's Night Sky Notes!

The estimate on this particular comet is that if it is in a stable orbit, its last path to the inner solar system was about 80,000 years ago.' While comets often appear as a flaming fireball in ...

A week after the northern lights were visible in the Mid-Atlantic, a rare comet made an appearance. But, if you missed it Wednesday, don’t worry; you still have a few more days to catch it.

Comet C/2023 A3 (Tsuchinshan-ATLAS) appeared in the morning sky late last month, however it was not bright and mornings clouds on the horizon hid the comet from sight. Its path through space ...

Comet C/2023 A3 (Tsuchinshan-ATLAS) is still visible in the night sky, and you can watch it live today thanks to a free livestream. Comet Tsuchinshan-ATLAS is growing dimmer as it speeds away from ...

If you want to see what people are calling "the comet of the century," your last chance is coming up soon, as it will most likely not be visible with the naked eye anymore after this weekend.