Assuming you’ve accepted Pluto’s demotion, Uranus and Neptune are the two planets in our Solar System farthest from Earth. That distance means humanity is still learning a lot about them. Some of ...

Lying at the very outskirts of our solar system, the ice giant Neptune has long represented both a challenge and a mystery to astronomers and space explorers alike. The dark and cold planet, the ...

Moons are natural satellites that rotate around planets or asteroids. They come in many shapes, sizes and types. Larger moons are spherical, but others can have an irregular shape or texture. Although ...

For the first time in decades, a new tiny moon has been found in orbit around the gas giant Neptune, according to a study published Wednesday in the journal Nature. Hippocamp, now known as Neptune's ...

NASA's James Webb Space Telescope has given us glimpses of the farthest reaches of the universe, but its latest images are showing off its capabilities closer to home. The latest images released ...

This is an artist's concept of the tiny moon Hippocamp that was discovered by the Hubble Space Telescope in 2013. Only 34 kilometres across, it may actually be a broken-off fragment from a much larger ...

Triton was discovered in 1846 by the British astronomer William Lassell, but much about Neptune’s largest moon still remains a mystery. A flyby by NASA's Voyager 2 spacecraft in 1989 offered a quick ...

Our solar system has a few new entries with the recent discovery of three moons of Uranus and Neptune. These ice giant planets are so far away that it is difficult to detect small moons orbiting them, ...