Large hailstones made of ammonia may explain why the gas is missing from large pockets of Jupiter's atmosphere.

Recent flybys of the fiery world refute a leading theory of its inner structure — and reveal how little is understood about ...

NASA's Lucy spacecraft recently got an up-close look at a strange peanut-shaped space rock floating through the cosmos in the ...

James Webb Space Telescope Sees Jupiter's Rings, Moons and Auroras Credit: Space.com | imagery courtesy: NASA, ESA, Jupiter ...

This asteroid is bigger than scientists anticipated, about 5 miles long and 2 miles wide at its widest point — resembling a ...

"These early images of Donaldjohanson are again showing the tremendous capabilities of the Lucy spacecraft as an engine of ...

Thirty-five years ago, the Hubble Space Telescope was launched into orbit. It's been sending back galactic data and images ...

NASA’s Lucy spacecraft successfully flew past asteroid Donaldjohanson, collecting data and images of the second of its 11 ...

NASA’s Lucy spacecraft has beamed back pictures from its latest asteroid flyby, revealing a long, lumpy, odd-shaped space ...

Asteroid Donaldjohanson has turned out to be a picturesque waypoint as NASA’s mission heads toward Jupiter’s Trojan asteroids ...

NASA's Juno revealed mushballs on Jupiter, reshaping our understanding of deep, violent gas giant storm systems.

NASA’s Lucy spacecraft has captured striking images of asteroid Donaldjohanson, revealing it to be a contact binary with an ...