The answer is that you will likely find your local Planet Fitness open on the Fourth. Many Planet Fitness franchises stay ...

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

Even if Earth does survive, it won’t be pretty. The temperature of our planet will be about 1,300 degrees C, hot enough to ...

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

The startup Gigablue announced with fanfare this year that it reached a historic milestone: selling 200,000 carbon credits to ...

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

Reporter Kaeli Ricottilli sits down with Planet Fitness trainer Myka Jones to talk about Planet Fitness’ High School Summer ...

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 ...

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

Using gravitational microlensing, scientists have discovered a rare, large planet at the edge of the Milky Way. The planet is ...

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