EXCLUSIVE: Scientists say the discovery of a Jupiter-like planet promises to further understanding of planetary systems.

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

Exoplanet HIP 67522 b, fluffed up to the size of Jupiter, circles so close to its star that it’s triggering violent flares — ...

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

James Webb’s mid-infrared vision has likely captured a frigid, Saturn-mass planet shaping the dusty rings around the nearby ...