A rare green comet, which has been streaking across the night sky as it approaches Earth for the first time since the Stone Age, briefly grew a bizarre third tail. This "anti-tail" appeared to streak ...

Optical illusions play tricks on your brain and can make you see things that aren't really there, from static images swirling around the page to images that stay with you even after you look away.

Optical illusions have become the talk of the town and they are more than casual internet puzzles as they serve as visual ...

Comet C/2022 E3 (ZTF) with a short third tail (to the left of the comet) and longer gas and dust tails (to the right of the comet) on Jan. 21. A rare green comet, which has been streaking across the ...

C/2022 E3 (ZTF), a comet that has recently made headlines as it flies closer to Earth, briefly developed an ethereal third tail thanks to a weird optical illusion. When you purchase through links on ...