This sort of motion is common in galaxies sporting active central supermassive black holes, like the one in the nearby ...

By capturing the same thing from very different perspectives, a NASA astronaut and an intrepid photographer create a whole ...

While Saturn has been visible in the night sky all of September, this weekend, the ringed planet will shine its brightest.

The moon and Venus will shine vividly alongside a bright star in the early morning in a celestial rendezvous that should be visible across the U.S.

It’s finally time to watch one of the best meteor showers of the year: the brilliant display known as the Perseids. The Perseid meteor shower, which is known for producing dozens of bright meteors ...

Viewers in Africa, Asia, and Australia will be able to see the blood moon in the sky—but those in the Americas will have to ...

The September 2025 full moon coincides with a total lunar eclipse. Here's when you can see the blood moon on Sept. 7-8 and how long the eclipse lasts.