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

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

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

Galaxies speckle the heavens like stars in a stunning new photo of the deep and distant universe.

The first deep field image captured by the James Webb Space Telescope is of galaxy cluster SMACS 0723. Credit: NASA, ESA, CSA ...

Webb discovered an early cosmic boom of "red monster" galaxies, surprising even seasoned researchers who thought they knew ...

At the Paranal Observatory, the UT4 telescope doesn't just stargaze—it actively creates its own stars using powerful lasers to battle atmospheric turbulence. Thanks to its advanced adaptive optics ...

After passing all the necessary checks and calibrations, NASA says its SPHEREx space observatory is ready to embark on its ...

Thirty-five years ago, the Hubble Space Telescope was launched into orbit. It's been sending back galactic data and images ...

Using the James Webb Space Telescope, astronomers have peered into galaxies that existed at cosmic noon to hunt ravenously ...

Two new research studies explore how a stellar nursery in the heart of the Milky Way is affected by the region’s strong ...

In the years since, Hubble has gathered more than 1.6 million observations and 430 terabytes of data. The telescope has ...