Beyond Neptune, a smaller ‘ninth’ planet has been identified in the Kuiper Belt. If the object is confirmed as an actual planet, it would make it the ninth in our solar system ...

Learn about the gas planets with these interactive learning resources for KS2 Science students aged 7-11 from BBC Bitesize.

The extrasolar planet or " exoplanet " in question is TOI-2109b, which has five times the mass of Jupiter and is located ...

Researchers may have detected atmospheric gases surrounding 55 Cancri e, a hot rocky exoplanet 41 light-years from Earth. This is the best evidence to date for the existence of any rocky planet ...

New research claims that Neptune and Uranus may hold hidden oceans of water and other materials below their extreme atmospheres.

The Six Most Amazing Discoveries We’ve Made About Neptune Despite the lack of a dedicated mission to the planet, scientists have learned plenty through ground observations and space telescopes ...

The Webb observatory captured a previously known vortex at Neptune's southern pole and spotted a continuous band of clouds surrounding it, NASA officials said.

New study shows that our solar system’s most distant planets' true colors are actually similar.

The more distant protoplanets, which became Jupiter, Saturn, Uranus and Neptune, retained a good deal of their gases, as they do today.

Neptune is called an “ice giant” because it’s mostly made of a thick, slushy mix of water, methane, and ammonia, which ...

Astronomers just caught a celestial sneak peek at how solar systems are born, and it starts with something delightfully small ...