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

When a star comes to the end of its life and dies, it can be an epic and destructive event, throwing out an explosion of heat and light — but it can create stunning new forms as well. A gorgeous new ...

The swirling, paint-like clouds in the darkness of space in this stunning image seem surreal, like a portal to another world ...

The latest observations suggest that a day on Uranus lasts 17 hours, 14 minutes, and 52 seconds. This is 28 seconds longer ...

Recent studies indicate that the length of a day on Uranus is longer than previously thought. Scientists determined the exact ...

Uranus seemed like a fairly calm, blue-green planet. But new findings from Hubble paint a different picture of Uranus.

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

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

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.

A powerful new observatory is the best hope yet for finding the elusive Planet 9, a large planet that some scientists say is ...

A day on Uranus is about half a minute longer than previously thought, according to new research. Nearly 40 years ago, ...