Determining the expansion rate of the universe, the "Hubble constant," shapes our understanding of the cosmos, its age, and its fate.

The Hubble Space Telescope time-lapse captured footage of Jupiter, Saturn, Uranus and Neptune. Credit: SCIENCE: NASA, ESA, ...

A glowing nebula located approximately 2,700 light-years from Earth resembles a guitar with a bright pulsar at the tip of the ...

Webb's ability to see through hazy obstacles is demonstrated here with the Sombrero, aka Messier 104, a nearly edge-on spiral ...

The Hubble Space Telescope has been used to study 25 hot Jupiters. It has helped to answer "questions important to our ...

The Hubble Space Telescope captured an image of NGC 4694, a galaxy that possesses unusual properties that complicate its ...

Hubble's new image of UGC 10043 shows a rare side view of this spiral galaxy, revealing a prominent bulge and curved edges.

This Hubble image showcases spiral galaxy IC 4709 located 240 million light-years away from Earth. It also contains a black ...

"This unique lensing configuration allows us to constrain both the Hubble constant and dark energy parameters simultaneously ...

One of the greatest astronomer's, who changed our entire understanding of the universe, was born 135 years ago today ...

Brian Greene (Cosmic String Theory) and Astrophysicist Ethan Siegel have collaborated on a National Geographic coffee-table ...

The James Webb Space Telescope may have broken another of its own records, finding potentially five of the earliest and most distant galaxies ever seen.