Some planets take the expression "you're your own worst enemy" to the extreme. At least, that's what astronomers found when ...

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

An exoplanet is any planet beyond our solar system. Most of them orbit other stars, but some free-floating exoplanets, called ...

Astronomers using the European Space Agency's Cheops mission have caught an exoplanet that seems to be triggering flares of ...

Astronomers have discovered over 100 new alien worlds so far this year — some many light-years away from Earth — that ...

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

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

The search for life beyond our planet continues, and one of the most underappreciated tools in an astrobiologist's toolkit is ...

NASA’s James Webb telescope captured its first direct image of a distant gas giant, revealing groundbreaking insights into ...

TOI-6894 b, the largest exoplanet relative to its host star yet seen, doesn’t fit the most widely accepted formation model ...

Scientists have discovered the first clear case of a planet causing its host star to flare, offering new insights into the ...

Finding a Saturn-sized world around the young star TWA 7 could pave the way for the Webb space telescope’s direct observation of other exoplanets.