A new way to measure the length of Uranus’s day could also help determine the rotation rates of other celestial ...

The planet’s elusive aurorae are much colder than expected, which is how they evaded detection for so long.

The new data of Uranus' interior rotation rate has a level of accuracy 1,000 times greater than previous estimates.

Explore HubbleHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble by the ...

Aurora lights on Uranus helped NASA’s Hubble Space Telescope measure the planet’s interior rotation rate, changing what astronomers know about how long a day is on the cold and windy world.

Astronomers have just revealed that a day on Uranus is longer than was previously thought, at 17 hours, 14 minutes and 52 seconds. This is 28 seconds longer than the previous estimate, which was made ...

The team used more than a decade’s worth of observations of Uranus’ unique aurorae taken with Hubble and refined the planet’s ...

An international team of astronomers using the NASA/ESA Hubble Space Telescope have made new measurements of Uranus' interior ...

The eerie glow of Neptune's aurora has been revealed for the first time in new images collected by NASA’s James Webb Space ...

Long-Sought Auroral Glow Finally Emerges Under Webb’s Powerful Gaze Neptune lies in the cold, dark reaches of the outer edges ...

WASHINGTON — Neptune's glowing auroras are captured in the best detail yet by NASA's James Webb Space Telescope. Hints of ...

Scientists suspected the ice giant hosted auroras—and had already observed them on Jupiter, Saturn and Uranus. But an ...