Searching for life on other planets requires more than just measuring their distances from their stars. A future NASA ...

Rogue planets, adrift in the cosmos, may be six times more common than those orbiting stars, a new study proposes. Credit: NASA / JPL-Caltech / R. Hurt (Caltech-IPAC) In elementary school, you might ...

It's unlikely you'll be able to walk outside and see a line of planets, but according to NASA, a seven-planet parade happening tonight could be visible in some form in parts of the U.S. The upcoming ...

A new NASA survey identified 17 exoplanets that may have the right conditions for liquid water oceans hidden beneath icy shells. The planets could be good candidates in the search for alien life. When ...

The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are added to the count on a rolling basis by scientists from around the world, ...

A new gas giant world discovered by citizen scientists using data from NASA's exoplanet-hunting spacecraft TESS is cool, literally and figuratively. The extrasolar planet, or "exoplanet," designated ...

January has a few skywatching treats in store for us, but one of them is lasting the whole month. At least four of the planets will appear brightly in our nighttime winter sky, creating a sort of ...