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

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

For years, scientists have been scanning the icy outskirts of our Solar System for an unknown massive planet. The ...

A startup called Gigablue claims to have reached a milestone by selling 200,000 carbon credits for its ocean-based carbon ...

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

The planet, which astronomers believe is orbiting a young red dwarf star approximately 34 light years away, has been dubbed ...

Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...

Shares of Planet Labs ( PL 11.24%) climbed on Thursday, closing up 11.2% as of the 1 p.m. ET early market close for the ...

A meteor shower, a planet sighting, and a full moon. Here's how to see all of space's eye-catching activity in July.

Scientists agreed the rocky outcrops in a remote part of Quebec, Canada, were ancient. But were they really Earth’s oldest?