The cosmos, in its vast expanse, continues to reveal awe-inspiring mysteries. The latest of these enigmas is a color-changing ...

I/ATLAS is a fast, ancient interstellar object. Its odd features fuel both scientific study and speculation. On July 1, ...

Located approximately 700 light-years from Earth, this planet is famous for its extremely short orbital period and extreme ...

There’s something intriguing about the unknown, especially when it’s hurtling towards our solar system. Astronomers and ...

Family, can you imagine? When a comet with a long tail streaks across the night sky, it leaves us a "love letter," and this ...

High-energy particles zipping through the cosmos are harmful to life on Earth, but scientists think it could be food for ...

Travel the universe from your seat with our picks from the annual ZWO Astronomy Photographer of the Year competition.

Phases of ice that exist naturally only on frozen moons could be detected using infrared spectroscopy, according to new ...

Spacetime ripples from a black hole collision across the cosmos have confirmed weird aspects of black hole physics ...

"It took 35 years to reach interstellar space, but it will take 40,000 years for Voyager 1 to be closer to the star AC +79 ...

Voting is now open for the fourth annual Coolest Thing Made in Colorado People’s Choice Award, and the finalists bring a variety of high-tech inventions to choose from.

An eon ago, when only microbes dwelled on Earth, a pair of black holes some 1.3 billion light-years beyond the solar system ...