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

Carolyn Porco was 13 years old when she experienced her first 'cosmic connection.' She was on a rooftop in the Bronx, of all the unlikely places, peering through a friend's telescope when she caught ...

Explore 21 of the most remarkable images taken by NASA’s James Webb Space Telescope, showcasing the beauty and vastness of ...

Imagine giant slushy hailstones made of ammonia and water wrapped in a shell of ice, plunging through Jupiter’s atmosphere in ...

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 ...

Uranus Findings Can Aid the Study of Exoplanets Now more than 30 years into its mission, the Hubble Space Telescope has ...

The Hubble Space Telescope time-lapse captured footage of Jupiter, Saturn, Uranus and Neptune. Credit: SCIENCE: NASA, ESA, ...

NASA’s Hubble Space Telescope reveals a longer day on Uranus than previously thought, correcting data from 1986 and reshaping ...

The reason this worked so well is thanks to Hubble’s consistent, long-term observations. Over more than a decade, the space ...

Explore the amazing discovery of Jupiter’s swirling dark vortices and their connection to its powerful magnetic field and ...

British CubeSats may soon orbit the Moon’s far side, listening for the universe’s first radio whispers from the cosmic Dark ...

The photo at left is an enhanced-color image of Neptune from the Hubble Space Telescope. At the right, that image is combined ...