Because the solar system's contents formed from a disk around the sun, we would expect the orbits of everything orbiting the sun to keep relatively close to the plane of that disk. However, some don’t ...

Neptune was supposed to be the quiet, distant ice giant, a cold blue marble barely warmed by the Sun. Instead, the James Webb Space Telescope has just turned it into one of the strangest, most ...

Neptune’s supersonic winds and icy storms revealed a planet so extreme that it forever changed our picture of the solar system. The discovery of Neptune in 1846 was not just the triumph of mathematics ...

The eighth and most distant planet from the sun, Neptune, reaches opposition with the sun on Sept.23, when it will be in its best position for viewing for the year. Neptune is too faint to see with ...

New research by a University of Victoria PhD student is challenging popular theory about how part of our solar system formed. At the meeting of the American Astronomical Society’s Division of ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The five-planet parade continues with its last best week, ...