Why doesn’t our solar system have sub-Neptune exoplanets and what can they teach us about planetary formation and evolution? This is what a recent study published in The Astrophysical Journal Letters ...

A global color mosaic shows Neptune’s largest moon, Triton, from images taken by the Voyager 2 spacecraft in August 1989. HELSINKI — China is charting a long-term deep space strategy centered on ...

How can fission-powered propulsion help advance deep space exploration, specifically to the outer planets like Jupiter, Saturn, Uranus, and Neptune? This is what a recent study presented at the 56th ...

Astronomers used a telescope in Hawaii to find a new object on the outer edges of our solar system, helping to fuel evidence of a long-standing theory about Planet Nine, or Planet X. For years, ...

The James Webb Space Telescope has captured bright aurora activity on Neptune for the first time. For the first time, the James Webb Space Telescope (JSWT) has revealed bright auroral activity on the ...

Neptune is big, it’s blue, and it is a planet that can tear you apart if you happen to drop into one of its massive, Earth-sized storms. While it might look calm and breathtaking from afar, Neptune is ...