Once every spring, a few days after the full moon, corals of the great barrier reef release eggs and sperm simultaneously—a ...

Some stars may transform into black holes without exploding into supernovae. Now, astronomers have finally spotted it as it happened.

The Leonid meteor shower peaks in North America overnight from Nov. 17 to 18, with fast-moving fireballs possible in US skies ...

Skygazers will soon be able to see the moon appear larger and brighter than normal for the last time until next year. The ...

If another gravity theory is correct, "then the broader implications are enormous," astrophysicist Stacy McGaugh told ...

Model and K-drama star Song Jae-rim has died at age 39, as has been confirmed by Seongdong Police in Seoul, South Korea.

The year's fourth and final supermoon shines next to the spectacular 'Seven Sisters' stars this week. Here's how to see ...