An artist’s conception of the exoplanet K2-33b, a 10 Myr Jupiter-sized planet, transiting in front of its active host star. This system is comparable to those which will be observed by the ...

"Super puff" WASP 107b confused scientists for years. Now, two independent teams of astronomers think they finally understand ...

The smashups are thought to have occurred at least 100 million years ago, but the moons they created are new to astronomers.

Europa, one of Jupiter’s intriguing moons, is hiding an ocean beneath its icy shell — an ocean that might harbor alien life.

Scientists are discovering more exoplanets, but they’re still figuring out how these planets form. Jupiter-like exoplanets were thought to take 3 to 5 million years to form, but recent observations ...

Worldwide, the best day to see the alignment is today, Feb. 28. Mercury, Venus, Mars, Jupiter, Saturn, Neptune and Uranus could all be visible with clear skies, but not all can be seen by the ...