Our Solar System is plunging into chaos. Better hang on tight. The planets are getting knocked out of orbit. What could ...

Falling into planets sounds fun… until you try! This video dives into what would happen if you jumped into every planet, moon ...

Early results on the fourth planet from the TRAPPIST-1 star suggest it lost its original atmosphere to space long ago, and it ...

That raises the possibility that the TRAPPIST-1e exoplanet could also have liquid water and therefore support life.

Mike Brown is convinced that beyond Neptune, at the far reaches of our solar system, there's an unseen giant planet. "This is the 5th largest planet in our solar system, lurking out there, waiting to ...

Mars is known for its barren desert landscape and dry climate. But two recent studies in the journals Nature and Science go ...

New research using NASA's powerful JWST telescope has identified a planet 41 light years away which may have an atmosphere.

Skywatchers who spotted the Jupiter-Venus conjunction on Aug. 12 are in for a dazzling display in the night sky through the end of August, with a "planet parade" building in the eastern sky, with ...