Astronomers discovered that C/2014 UN271, a massive comet more than 10 times larger than any known comet, is emitting jets of ...

Neptune, at some 3 billion miles from the sun, is a dark, blustery world, ... Credit: NASA illustration. NASA’s Voyager 2 spacecraft found hints of auroras on Neptune in 1989, ...

Named TOI-4465 b, the exoplanet caught astronomers' attention as it acts as a bridge between scorching gas giants and ice ...

Unlike the James Webb Space Telescope's views of other sub-Neptune exoplanets' atmospheres, its look at TOI-421 b was clear. Credit: NASA / ESA / CSA / Dani Player illustration A sweltering planet ...

Stock illustration of all the solar system's planets. Mars, Venus, Jupiter, Saturn, Uranus and Neptune will be visible all at once this month.

Neptune lies on the outer edges of the solar system, around 3 billion miles (4.8 billion kilometers) away from the Sun. At such great distance, it’s proven difficult to visit the farthest planet ...

This illustration shows the interior structure of Uranus with four layers: hydrogen (light blue), ... Neptune- and Uranus-type exoplanets are more abundant than Jupiter-like planets, ...

In the case of Uranus, the core is the size of Mercury, and Neptune’s is slightly larger, more Mars-size. Previously, scientists had thought the interiors of the two planets would be more mixed.