Comet Lemmon was discovered in January 2025 and made its closest approach to Earth in late October 2025. But by November 2025 ...

Scientists uncover unusually high methanol levels "raging" beyond the nucleus of interstellar comet 3I/ATLAS, revealing ...

Interstellar comet 3I/ATLAS, a visitor older than the Sun, has stunned scientists with a colossal, puzzling X-ray cloud ...

On December 19, this interstellar visitor with its peculiar composition offers a glimpse into the makeup of celestial bodies ...

“If you have any questions along the way, feel free to ask me,” Smittick told the homeschoolers. “Sorry, adults, but kids ask ...

Learn what the first maps of the sun's atmospheric boundary reveal about solar wind and its escape into space.

As played by Milly Alcock, the Supergirl trailer shows Kara Zor-El looking burdened and traumatised. Does this mean that the DC universe is getting darker?

There are two small moons in orbit around Mars today, but both may be remnants of a much larger moon that had enough of a gravitational pull to drive tides in the Red Planet's lost lakes and seas ...

Dubbed HD 143811 AB b, the interstellar entity is a gas giant that’s located some 446 light-years away from Earth in a galaxy ...

After a year-long renovation, the Michigan Science Center reopened its planetarium Friday, showcasing technology upgrades and ...

Astronomers studying the interstellar comet known as 3I/ATLAS have detected a vast and unexpected X-ray halo extending ...

New telescope images show interstellar comet 3I/ATLAS brightening and turning green after solar heating, raising questions ...