At a frigid -125 degrees Fahrenheit (-87 degrees Celsius), WD 1856+534 b is the coldest planet ever directly observed, ...

Thanks to JWST, we've learned key details about methanol — a key building block for organic compounds necessary for life — on ...

Caroline Delbert is a writer, avid reader, and contributing editor at Pop Mech. She's also an enthusiast of just about ...

NASA's SPHEREx space observatory has spent the last six weeks undergoing checkouts, calibrations, and other activities to ...

Pointed away from Earth about 404 miles overhead, the orbital observatory will circle the planet from north to south about 14 ...

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

Researchers have found a candidate for the hypothetical Planet Nine, which could be an undiscovered giant planet way out in ...

The space-based observatory will scan the cosmos in 102 colors we can't see to unlock the secret history of the universe.