Keep your eye on the sky tonight. A once-in-a-lifetime comet is approaching the sun — and it will be visible for the first ...

Comet G3 ATLAS, visible tonight after 160,000 years, offers a rare celestial spectacle. Reaching peak brightness, it’s best ...

So many comets have failed to live up to predictions that many people have become cynical about them, so why does this happen ...

On Monday night you may have a chance to witness the moon obscuring the Red Planet at its brightest, as well as a comet’s ...

NASA launched its Deep Impact mission to crash into comet Tempel 1, also known as 9P/Tempel. Two spacecraft were launched ...

The bad news is that the while the comet will be at its brightest on Sunday and Monday as it as its closest to the Sun, it also be lost in the Sun's glare. As it rounds the Sun it will come into view ...

The comet comes from the Oort Cloud, a remote region at the outer edge of the solar system that is believed to contain the ...

This apocalyptic object, the Chicxulub impactor, slammed into the sea just off the coast of modern-day Mexico. From it, shock ...

One of the brightest comets in 20 years, Comet 2024 G3 (ATLAS) returns for a close encounter with the sun — but will we be ...

Advocates for limits on indiscriminate outdoor lighting that are increasingly obscuring night skies worldwide are recognizing ...

What "may" be the best anticipated comet of 2025 is coming right up. Right now, there's only one comet with real potential to ...