Far beyond the eight familiar planets in our solar system, countless bizarre and extreme worlds await discovery — and some ...

When telescope technology reached a point that scientists began spotting planets outside of our home system we quickly realized that there are types of planets we could never have imagined.

Artist's concept of a potentially habitable super-Earth orbiting a star called HD 20794. Illustration credit: Gabriel Pérez ...

The intriguing chemistry of a rock collected by the Perseverance rover could trace to microbial activity—or not ...

Combination of Cosmic Processes Shapes the Size and Location of Sub-Neptunes Mar. 17, 2025 — A combination of cosmic processes shapes the formation of one of the most common types of planets ...

Scientists believe plastic Ice VII could naturally form on planets and moons where water is subjected to high pressures and temperatures. This includes Neptune, Uranus, and even Jupiter’s moon ...

Mar. 11, 2025 — A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that are 1 to 4 times the size of Earth and among the most common in ...

“This planet’s atmosphere behaves in ways that challenge our understanding of how weather works — not just on Earth, but on all planets. It feels like something out of science fiction ...

A visible line of planets has for weeks been the talk of astronomers and hobbyist stargazers who have sought to catch a sight of our solar system's worlds. Online chatter and a frenzy of media ...

Bombastic sci-fi action adventure sequel Revenge of the Savage Planet just unveiled a bizarre new trailer during the Future ...