A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests. When you purchase through links on our site, we may earn an affiliate ...

Scientists discover water that's solid and liquid. Superionic ice found in lab could explain Uranus and Neptune's bizarre ...

For decades, Uranus and Neptune have been filed neatly into the “ice giant” drawer, shorthand for worlds built mostly from ...

Discovered by volunteer scientists, this alien planet is out of synch with its siblings ...

Planet 9 sits at the edge of scientific imagination, promising either an epic expansion of the Solar System or a lesson in ...

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

Today is Monday, Jan. 5, the fifth day of 2026 with 360 to follow. The moon is waxing. Morning stars are Jupiter, Mercury, ...

If you like the teen drama and coming-of-age stories of One Tree Hill, here's a collection of shows that are worth adding to ...

Scientists discover asteroid spinning once every 1.88 minutes—the fastest rotation ever found for a large space rock. Five ...

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune ...

At extreme pressures and temperatures, water becomes superionic — a solid that behaves partly like a liquid and conducts ...

Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...