The universe is filled with extraordinary wonders, and among the most awe-inspiring are the truly gigantic stars that dwarf ...

The flares may heat up and inflate the planet's atmosphere, which is dominated by hydrogen and helium. Being lashed by these ...

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

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

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

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

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

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

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