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

Being able to do computer-generated graphics and full imagery across the dome has radically changed what role a ...

Glowing like a multi-faceted jewel, the planetary nebula IC 418 lies about 2000 light-years from Earth in the constellation ...

New observations have revealed that we were wrong about the length of a day on Uranus. According to the most precise ...

The new data on 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.