Although the Ursids are active from Dec. 13 through Dec. 26, the peak night coincides with the winter solstice, which occurs at 10:03 a.m. EST on Dec. 21. Though the two events are totally unrelated, the longest night of the year in the Northern Hemisphere is a great time to look for meteors, and to photograph them if you're up for the challenge.

Injuries have wrecked havoc on some key NFL offenses this week, leading to some brutal benching decisions ahead of fantasy championships in Week 17.

“The fact that we can now watch stars explode and immediately see the structure of the material being blasted into space is remarkable,” said the University of Michigan astronomer and a co-author of a study published on December 5 in the journal Nature Astronomy. “It opens a new window into some of the most dramatic events in the universe.”

A study using NASA’s TESS data finds that aging Sun-like stars lose close-orbit planets as they evolve, offering insight into the long-term fate of planetary systems

This NASA/ESA Hubble Space Telescope image features a glittering blue dwarf galaxy called Markarian 178 (Mrk 178). The galaxy, which is substantially smaller than our own Milky Way, lies 13 million light-years away in the constellation Ursa Major (the Great Bear).

WWE, despite its creative faults, catapulted a number of new stars to the top in 2025. That list includes the likes of Jade Cargill, Jey Uso, Naomi and Tiffany Stratton, who have all reached new heights as singles stars this year.

"The sheer amount of radiated energy from these bursts is so large that you can't power them with a core collapse stellar explosion — or any other type of normal stellar explosion."

The final ESA/Webb Picture of the Month feature for 2025 showcases a festive-looking region filled with glowing clouds of gas and thousands of sparkling stars. This star cluster, known as Westerlund 2,