Jupiter's moon count reaches 95+ official satellites. Explore the history of the Jovian system, from Galileo to the latest NASA discoveries.

That would make it thousands of times more massive than any moon orbiting a solar system plane  — so massive it could make ...

After full moon, the terminator returns, but this time on the moon's opposite side, where it marks the line of advancing ...

The two largest planets in the Solar System – Jupiter and Saturn – have a lot in common. They're made of very similar stuff, ...

Sky This Week is brought to you in part by Celestron. Friday, January 23Pluto reaches conjunction with the Sun at 5 A.M. EST.

This is what would happen if planets replaced the moon. Venus is almost the same size as earth. It would make the earth ...

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

That's the ethos behind Vaonis's Hestia. It's not a smart telescope, or even a normal telescope. Think of it as a lens to ...

A new study published as a pre-peer-reviewed paper on arXiv and accepted for publication in Astronomy & Astrophysics suggests ...

The James Webb Space Telescope snapped its sharpest image of the area around a black hole, solving a long-standing galactic ...

Keith’s note: Astrobiologist Dale Andersen is heading back in Antarctica at Lake Untersee in January-February 2026 for ...

NASA’s newly launched IMAP mission is set to tell us more about the boundary between our Solar System and interstellar space ...