When black holes merge, what happens inside of them is anybody's guess. Black hole mergers are beautiful — and some of the most violent events in the cosmos. Here's how the process unfolds.

This weekend, the night sky will be enhanced by the Orionid meteor shower, a captivating event that offers a great chance to ...

The once-in-a-lifetime comet “orbits the sun only once every 80,000 years,” one that was last seen by the Neanderthals. But ...

If true, this theory could explain how all of the matter in our universe was created.

The first moving images of a black hole could reveal swirls of plasma and collapsing stars, deepening our understanding of ...

The once-in-a-lifetime comet “orbits the sun only once every 80,000 years,” one that was last seen by the Neanderthals. But ...

Today’s Hunter’s Moon is the third of four supermoons this year. What makes this supermoon special is that it will be the ...

Keep your eyes along the horizon at dusk to witness a stunning lunar display rise this evening. The closest supermoon of the ...

In addition to comet C/2023A3, a new supermoon will be visible, and it will be the largest full moon of the year.

This week, stargazers are in for a treat as an extraordinary lunar event will illuminate the night sky. On Thursday (October ...