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

Imagine a Slushee composed of ammonia and water encased in a hard shell of water ice. Now picture these ice-encrusted ...

Observations of Jupiter show that ammonia is unevenly distributed in the upper atmosphere, against expectations of uniform mixing. Scientists found evidence for a complicated but apparently real ...

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

A bizarre hailstorm of icy “mushballs” — slushy mixtures of ammonia and water — has been confirmed on Jupiter, where intense ...

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

NASA has shared the first closeup images of the Donaldjohanson asteroid, captured by its Lucy spacecraft on a recent flyby around 139 million miles (223 million km) from Earth.

Scientists spent four years challenging an out-of-the-box theory that ammonia and water form slushy hailstones on the gaseous planet. Looks like it’s true.

Extensive renovation work and improvements to a parish church have been finished after human bones were discovered and given ...

Astronomers have discovered a rare planet orbiting at a 90-degree angle around two brown dwarfs—marking the first evidence of ...

Scientists have discovered that during storms on Jupiter, ice balls containing ammonia and water fall. This unusual ...

who discovered 10 years ago that ammonia was depleted down to about 50 km. "That's what Chris is trying to explain with his storm systems going much deeper than we expected." Gas giants like Jupiter ...