But skywatchers call it Comet ZTF for short. This icy cosmic passerby is painting a green streak across the sky through the first few days of February, reaching its closest point to Earth on ...

In 2023, a green comet that last visited Earth 50,000 years ago zoomed by the planet again. Other notable flybys included ...

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 ...

That’s how you’ll see comet C/2022 E3 (ZTF)—the likely ... It looks like a smudge on the sky—it’s not green to the human eye, as images on social media show it. On its closest approach ...

A bright green glow will be visible to observers in the Northern Hemisphere in the morning sky as the comet moves northwest during the month of January. Those in the Southern Hemisphere will be ...

Comet Tsuchinshan-ATLAS is arriving at its projected pinnacle of brightness, followed by a transition into the evening sky.