The planet Neptune, as seen by NASA’s Voyager 2 probe during a flyby in August of 1989. In astronomy, 180 years is a very long time—maybe not for the goings-on in the universe but certainly for our ...

In astronomy, 180 years is a very long time—maybe not for the goings-on in the universe but certainly for our understanding of it. To be fair, we still don’t. But our understanding of our sun’s family ...

Despite being part of our own solar system, Neptune has long been a cosmic mystery. It's the most distant planet from the Sun and also one of the least explored. Only one spacecraft—Voyager 2—has ever ...

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, ...

For the first time ever, NASA’s James Webb Space Telescope—humanity’s most powerful eye in space—has captured auroras on Neptune in dazzling detail. Auroras are an atmospheric phenomenon that occurs ...

NASA's flagship James Webb Space Telescope has captured the first-ever images of auroral activity on Neptune, after years of tantalizing hints. The images in question of Neptune were captured by ...

Astronomers studying the distant reaches of our Solar System have identified an unusual trans-Neptunian object (TNO) locked in a rare orbital configuration with Neptune. The object, discovered through ...