A green comet shooting past Earth for the first time since the Ice Age is about to skim right past Mars in the night sky. The green comet and the red planet will be visible side-by-side across the ...

On Sunday, a comet the size of a mountain will brush past Mars, passing just 87,000 miles away from the red planet. That’s about one-third the distance between the Earth and the moon ...

Comet C/2022 E3 (ZTF) will be passing close to Mars between the constellations of Taurus and Auriga—the skies will be dark just after sunset, so the comet will be visible with binoculars and ...

Comet C/2013 A1, discovered last year at the Siding Spring observatory in Australia, was expected to pass within about 87,000 miles of Mars at 2:27 p.m. EDT (GMT-4) at a relative velocity 126,000 mph.

Heads up (literally) skywatchers: You’ll have one more golden opportunity to witness Comet E3 as it appears extremely close to Mars over the weekend. The comet made a fast approach toward ...

it will also pass in front of the more-brilliantly-red-than-usual Mars in an event known as a lunar occultation. But that’s not all January’s sky has to offer. A new comet, expected to be the ...

The green comet that delighted the world is giving people one last chance to see it – and it might be better than ever. The comet – officially known as E3 (ZTF), though better known simply ...

Mars' moon Phobos may actually be a comet — or at least part of one — that was gravitationally captured by the Red Planet long ago, a new preprint study based on previously unpublished photos ...

A green comet and Mars will appear side-by-side in the night sky on February 10 and 11. It's a good opportunity to spot the comet in the early evening, maybe with nothing but binoculars. Here's what ...