A close-in exoplanet is triggering stellar flares and self-destructing. This is the first direct evidence of planet-star ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

By Will Dunham WASHINGTON (Reuters) -Scientists are tracking a large gas planet experiencing quite a quandary as it orbits ...

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

The Atmospheric Remote-sensing Infrared Exoplanet Large-survey (Ariel) telescope is to launch in 2029 and spend years ...

Cosmic dust does far more than float through space. It's the raw material from which stars, planets and possibly even life ...

Researchers identified the likely planetary candidate’s infrared light after blocking out its host star’s overwhelming glare ...

The clingy planet orbits so close to its star, it triggers powerful explosions of radiation that eat away at its atmosphere.

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

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

Venus continues to be the “Morning Star” in the east before dawn, albeit it has become dimmer — but still bright — as it ...