See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The unusually green-hued comet ZTF, also known as ZTF (C/2022 E3), ...

Researchers from the University of New South Wales (UNSW) have published a new study that explores why only comet heads appear green and not their tails. Comets are frozen masses of gas, rock, and ...

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 ...

Every so often, the Kuiper Belt and Oort Cloud throw galactic snowballs made up of ice, dust and rocks our way: 4.6-billion-year-old leftovers from the formation of the solar system. These snowballs – ...

3I/ATLAS interstellar object has revealed new and unusual features in recent observations. Scientists detected a color shift, a surprising anti-tail, and a gas composition that sets it apart from ...

Comets’ Heads Can Be Green, But Never Their Tails. We Finally Know Why This astronomic puzzle dates back to the 1930s. Photo: Unsplash. Every so often, the Kuiper Belt and Oort Cloud throw galactic ...