Planetary rings explained: composition, formation theories, and a comparison of Saturn, Jupiter, Uranus, and Neptune’s rings.

Saturn reigns supreme when it comes to the number of moons orbiting any solar system planet. Including the 128 newly-discovered moons from 2025, Saturn has a whopping 274 moons. They range in size ...

On Jan. 7, 1610, Galileo Galilei turned his self-built telescope, which he had recently made improvements to, towards Jupiter. There he noticed three spots of light. Though he first concluded they ...

An Ariane 6 launches two Galileo navigation satellites Dec. 17. Credit: ESA-CNES-Arianespace-ArianeGroup/Optique vidéo du CSG - S. Martin WASHINGTON — An Ariane 6 rocket placed two satellites for ...

Europe has given fresh momentum to its Galileo navigation system following the successful Dec. 17 launch of two new satellites aboard an Ariane 6 rocket. The launch, the 14th of the program (L14), is ...

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. Credit: NASA / ESA / M. Showalter / ...

What comes through now serves as a bridge between the dream and the self that’s finally ready to live it Ready to tie up those loose ends? On Dec. 10, Neptune — the planet of dreams, spirituality and ...

Uranus and Neptune may not be the icy worlds we’ve long imagined. A new Swiss-led study uses innovative hybrid modeling to reveal that these planets could just as easily be dominated by rock as by ...

Four zodiac signs are confused right now, but everything is about to fall into place as Neptune retrograde ends on December 10, 2025. Neptune first turned retrograde in July, ripping off the ...

Dec 3 (Reuters) - OpenAI has agreed to acquire Neptune, a startup that provides tools that help companies track their AI model training, the ChatGPT maker said on Wednesday. While OpenAI did not ...

OpenAI has entered into a definitive agreement to acquire the startup Neptune. Neptune builds monitoring and de-bugging tools that AI companies use as they train models. The terms of the deal were not ...

The 5-seed, Neptune, relied heavily on its defense and got some power running from Kingston Pinnock late in the contest to defeat 4-seed Hopewell Valley 21-11 in a first round game in the ...