Chinese official calls for prioritizing Neptune orbiter mission A senior Chinese space scientist and delegate to the country’s national congress is proposing the prioritization of an unprecedented ...

Neptune is the furthest planet from the sun in our Solar System. Even when Pluto was still designated a planet, it has an elliptical orbit, bringing it closer to the sun than Neptune for 20-year ...

The Hubble Space Telescope has peered at Uranus, left, and Neptune to study the so-called "ice giant" planets, but little is known about their interior composition. - NASA / ESA / M. Showalter / L.

The James Webb Space Telescope's Near-Infrared camera (NIRCam) captured stunning imagery of Neptune. It is the "clearest view ...

Who’s ready for a “planet parade”? The last planetary alignment was in August 2025, when six planets aligned and four were ...

"I had been waiting my entire career for Webb so that we could meaningfully characterize the atmospheres of these smaller planets." When you purchase through links on our site, we may earn an ...

Astronomers studying the Kuiper Belt have detected a strange distortion that could point to an unknown planet lurking far beyond Neptune.

After studying thousands of computer simulations of the solar system, researchers at Rice University and the Planetary Science Institute think there’s a 40% chance an elusive “Planet Nine” or “Planet ...

Six planets, Mercury, Venus, Neptune, Saturn, Uranus and Jupiter, will be visible, according to NASA. Seeing a parade of six ...