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 ...

Astronomer Charles Steinhardt said most stars we see "might have formed under different conditions than we previously believed." ...

An international team of astronomers using the NASA/ESA Hubble Space Telescope has made new measurements of Uranus’ interior rotation rate with a novel technique, achieving a level of accuracy 1 000 ...

The first four humans to orbit Earth’s poles are sharing their experiences from their historic mission. In a discussion with ...

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

Astronomers have reached deeper into the heart of a brilliant cosmic engine than ever before, using NASA’s Hubble Space ...

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.

This NASA/ESA Hubble Space Telescope image features the picturesque spiral galaxy NGC 4941, which lies about 67 million light ...

an enhanced-color image of Neptune from the NASA/ESA Hubble Space Telescope and right, that image is combined with data from the NASA/ESA/CSA James Webb Space Telescope. (ESA/Webb via AP ...