A fascinating glimpse into how a solar system like our own is born has been revealed with the detection of planet-forming ...

NASA's exoplanet-hunting spacecraft, aided by citizen scientists, has discovered a new long-period gas giant exoplanet, ...

GJ 504 b is an exoplanet orbiting the star GJ 504. This planet is estimated to be three to six times heavier than Jupiter.

Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than it is now. Twice as large, in fact. To put that into context, those ...

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

Long theorized but never observed, the first known “planet with a death wish” is described by Ilin and her colleagues in a ...

Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than it is now. Twice as large, in fact.

New images of a young star, 2MASSJ1612, could have captured the birth of a giant gas planet larger than Jupiter.

Dusty clouds made of sand—that may rain iron—blanket a giant planet orbiting a young, sun-like star just 310 light-years from Earth, the James Webb Space Telescope has revealed. The discovery was made ...

If you looked at the churning clouds near Jupiter’s pole, they appear like ocean currents on Earth — as if you’re looking at ...