The rings of Saturn are among the wonders of our solar system, with a diameter of roughly 175,000 miles (280,000 kilometers) as they encircle the giant planet. But smaller celestial bodies in the ...

A discovery in V883 Orionis' planet-forming disk suggests Earth's water could have come from ancient interstellar ice that ...

"The detection of heavy water … proves the water's ancient heritage and provides a missing link between clouds, disks, comets ...

Astronomers are watching a new comet pass through our solar system with great interest. Based on its glow, the 33-billion-ton ...

If you’ve ever wanted to know what you’re actually looking at, or just wanted to find cool things like the International ...

The universe is truly magical: vast, mysterious, and endlessly fascinating. There’s something almost unreal about being able ...

A new study sheds light on how planets, including Earth, formed in our galaxy and why the life and death of nearby stars are ...

Warm Jupiters are rewriting the rules of planet formation - showing eccentric orbits that stay strangely aligned with their ...

Can an object somewhat behave like both a planet and a star, especially when it is forming? Turns out, the answer is yes! Astronomers have reported a mysterious “rogue planet” gobbling 6 million tons ...