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

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

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

Astronomers using the European Space Agency's Cheops mission have caught an exoplanet that seems to be triggering flares of radiation from the star it orbits. These tremendous explosions are blasting ...

The sun rises from the east, and sets in the west - this is a well-established fact for the longest time, and this is due to ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

Our planet whirls around the sun in an ellipse, rather than a circle. On Friday the planet reached its farthest point from its star, known as aphelion. By Katrina Miller It’s summer in the ...