For centuries since the Sun was declared the center of the solar system in the 16th century, society held the belief that any object orbiting the bright star would be considered a planet. From Mercury ...

An international team of astronomers has discovered a distant planetary system that challenges long-standing theories of how ...

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

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

If you've been following exoplanet research over the last couple of years, you've definitely heard of K2-18b. Located 124 ...

Fresh observations from the James Webb Space Telescope show how vivid auroras surge through Uranus’s tilted magnetic field ...

The Hubble and Chandra space telescopes are hunting for rogue black holes wandering through dwarf galaxies, which could provide a fossil record of how supermassive black hole growth in the early ...

Far beyond Neptune, in the frozen depths of the Kuiper Belt, many ancient objects oddly resemble giant snowmen made of ice ...