New simulations suggest Jupiter holds far more water than once thought, reshaping ideas about how the largest planet formed.

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

A unique characteristic of the candidate planet HD 137010b is its ice-cold temperature.

Skygazers, mark your calendars because one of the coolest celestial events is coming around again toward the end of February.

Scientists on Earth use seismometers to get a more detailed picture of what the inside of the Earth is made of. Those seismometers record vibrations from earthquakes. The vibrations change depending ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. For five consecutive mornings, beginning on Aug. 17, early ...

Want to know when each planet will be at its best or when you can catch eye-catching planetary pairings in 2026? This guide breaks down the major planetary events of the year, from conjunctions to ...

Polygon has rounded up the best icy sci-fi planets from our favorite video games, movies, television, and books ...