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

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

Spectacular clouds swirl across the surface of Jupiter. These clouds contain water, just like Earth's, but are much denser on ...

Add Yahoo as a preferred source to see more of our stories on Google. Digital art of distant planet - Dottedhippo/Getty Images On August 24, 2006, our solar system lost a planet. It wasn't by ...

A decade of observations of four planets around the young planetary system V1298 Tau revealed a rare, long-sought missing link in planet formation.

We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp. One of ...

An international team of researchers has just revealed the existence of three Earth-sized planets in the binary stellar system TOI-2267 located about 190 light-years away. This discovery, published in ...

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 ...

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 ...