Hubble Space Telescope imagery created an HD look at the gas giant planet Jupiter. Credit: NASA Goddard Space Flight Center ...

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from a European Space Agency orbiter on its way to Jupiter.

These three exoplanets are among the least dense ever found, and all attempts to probe their atmospheres have been blocked by a mysterious smog.

Scientists are scrambling to explain why interstellar visitor 3I/ATLAS is carrying life's chemical building blocks at ...

Kepler-51d is a giant, ultra-light “super-puff” planet wrapped in an unusually thick haze that’s blocking scientists from ...

New research using the James Webb Space Telescope offers the most detailed portrait yet of how auroras form on Uranus.

A newly studied exoplanet, Kepler-51d, is wrapped in an unusually dense layer of haze that may be hiding both what it is made of and how it formed ...

If you think auroras on Earth are a strange and mesmerizing sight, that's nothing like what occurs on the perplexing world of Uranus.

In late February, people in the Northern Hemisphere can look up for a special sight: six planets will all be visible from clear and dark night skies. New sonifications from NASA’s Chandra X-ray ...

What Looked Like a Planet Was Actually a Massive Space Collision So, imagine astronomers are looking at something, thinking, ‘Wow, cool planet!’ Then, bam! Turns out it wasn’t a planet at all, but a ...

In a happy twist of fate, NASA's Hubble Space Telescope witnessed a comet in the act of breaking apart. The chance of that happening while Hubble watched is extraordinarily minuscule. The findings are ...