Astronomers and students working together through a unique educational initiative have obtained a striking new image of the growing tail of interstellar Comet 3I/ATLAS. The observations reveal a ...

New comet 3I/ATLAS is just a dot in this 2-hour, 20-minute time exposure made with a 12-inch telescope on July 4. As it gets closer to the sun, the comet is expected to brighten, grow a tail and ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The famous Halley ...

The eyes of every astronomer widened this year when an interstellar traveler was discovered in our solar system. Despite some suggestions that it could be an alien spacecraft, observations from some ...

WASHINGTON — The Eta Aquarid meteor shower, remnants of Halley’s comet, peaks this weekend. And with just a waning crescent moon in the sky, it should be visible. The Eta Aquarids occur every year ...