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

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

A supermoon will appear in the sky on Oct. 17, 2024, and it will coincide with the arrival of the hunter's moon and the ...

The best comet of the year is starting to fade in brightness, but it’s still an easy naked-eye object in the evening sky.

A rare comet is still glowing over Ohio. Here's how to see it before it's gone, and won't return for 80,000 years.