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

There are 8 planets in our solar system. The planets orbit the Sun in elliptical trajectories, and they are all different in size, composition, temperature, and characteristics. The planets can be ...

Some of the most promising places to look for extraterrestrials have remained, so far, mostly hidden from astronomers. Now a game-changing instrument called NIRPS (Near-Infrared Planet Searcher) is ...

Uranus, the third-largest planet in our solar system, is sometimes visible with the unaided eye. Credit: Creators.com illustration How many planets are there in our solar system? Nine? Eight? Twelve?

Astronomers have captured an exceptionally rare view of young planets in mid-transformation, revealing how bloated, giant worlds may shrink into the most common planets in the galaxy. Astronomers have ...