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 ...

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 ...

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