This week is the best time in May to view the night sky. Here's everything you can see during May's dark skies, from an upside-down bear to some of the oldest stars in the universe.

Utilizing advanced imaging techniques, researchers at the Chinese National Astronomical Observatories determined that the ...

A novel LEO constellation design uses grouped satellites and swarm optimization to achieve precise Earth observation, ...

There's a big diamond in the sky made by connecting the stars Arcturus, Spica, Denebola and Cor Caroli. Once found, you can ...

Arcturus (at a magnitude of -0.05), one of the few stars mentioned by name in the Bible, is a giant, about 25 times the ...

A 2,300-year-old Chinese star chart challenges the origins of astronomy—sparking debate among experts about its true age.

Warren Buffett’s Berkshire Hathaway BRK.A BRK.B just filed its 13F for the first quarter of 2025. Here’s a look at the stocks ...

They found that the ancient star chart actually dates to 355 B.C. — 250 years earlier than previously thought — and that it ...

Astronomers are once again getting excited about a rare nova that could appear in the night sky anytime from now into the ...

As the night skies of May unfold, there’s a wealth of celestial events to witness, from the waxing Moon to the prominent ...

For the first time, astronomers have probed the physical environment of repeating X-ray outbursts near monster black holes ...

The Aquarids meteor shower is set to peak this week. Everyone in the U.S. will have a chance to catch a glimpse.