Astrophysicist Josep Trigo-Rodriguez of the Institute of Space Sciences near Barcelona, Spain, believes it is an interstellar ...

A newly discovered object, dubbed A11pl3Z, appears to be moving too fast and straight to have originated in the solar system.

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

The James Webb telescope has made another stunning discovery -- this time of a massive planet that could potentially sustain ...

Mars shines in the evening, and is joined briefly by Mercury. Jupiter joins Venus as the month goes on. And all month, look ...

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 ...

Hubble captures three infant stars lighting up a blue nebula, with a secret protostar forming in a shadowed disc below.

For the first time, the powerful telescope has discovered an exoplanet not previously known to scientists. Find out more here.

Solar flares can reshape exoplanet atmospheres within days, affecting temperature, winds, and potential habitability.

A Super-Earth named Kepler-725c has been discovered in the habitable zone of a Sun-like star, 2,400 light-years away. Scientists say it may have water, a rocky surface, and even conditions suitable ...

Kepler-51e is believed to have a mass comparable to the three previously identified planets in the system. It follows a relatively circular orbit with a period of approximately 264 days.