The James Webb telescope has spotted three gigantic "red monster" galaxies that were spawned soon after the Big Bang. They're ...

NASA's Roman Space Telescope has received its Optical Telescope Assembly, paving the way for its mission to explore the ...

Imagery of Saturn captured by the James Webb Space Telescope is superimposed over an image captured by Hubble. "Yellows ...

A scathing new report points to unclear protocols and multiple failures to raise alarms at the Arecibo Observatory in Puerto ...

For less than $400, it's possible to observe places like the star-forming regions at the center of our galaxy.

This one-of-a-kind huge telescope will capture the sharpest and best images of space any telescope has ever done.

The distant celestial wonders in the sky above New London will soon be more visible than ever. An anonymous Connecticut ...

Using the James Webb Space Telescope, an international cooperation of NASA and the European and Canadian space agencies, a ...

This photo shows the Optical Telescope Assembly for NASA's Nancy Grace Roman Space Telescope, which was recently delivered to ...

The world’s largest optical mirror was successfully installed on a support system prototype for the first time to validate ...

A compound lens forged by two galaxies is helping astronomers get a bead on the Hubble Constant and dark energy.