Some of the most puzzling worlds in our telescopes’ catalogs may not be worlds at all, but relics from the first instants ...

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

Scientists have discovered more than 6,000 planets beyond our solar system. What if some of them aren't planets at all, but ...

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

An international research team led by scientists from the University of Rostock, CNRS-École polytechnique in France, and ...

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

The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...

The best time for Sagittarius to travel in 2026: The sweet spot for this journey is September through November, with ...

Happy New Year, Starlights! Welcome to January 2026 — a brand-new chapter begins! As we step into the new year, the cosmos ...

Researchers have confirmed the mass of a free-floating planet thanks to a lucky convergence of ground- and space-based ...

Meteor showers, eclipses, a planetary parade and 13 full moons will be visible in the night sky in 2026. Here’s when to see them.

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