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

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

They range in size from about 100,000 times the mass of the sun to billions of solar masses. Most surprisingly, observations with the James Webb Space Telescope (JWST) have revealed that these ...

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

These are just a taste of the discoveries made by the $10 billion Webb telescope since it began science observations in 2022.

The James Webb Space Telescope ("Webb"), the new flagship space mission from NASA, can operate with exquisite sensitivity at infrared wavelengths and with two spectrometers on board covering the 1-28 ...

SEE ALSO: Astronomers just found a galaxy way too advanced for its time James Webb Space Telescope revealing the galactic pair in mid-infrared range. The James Webb Space Telescope reveals where ...

The James Webb Space Telescope reveals where cold dust glows throughout the galaxies IC 2163 and NGC 2207 in the mid-infrared light range. Some of the pink dots may be faraway supermassive black ...

The Mid-Infrared Instrument on the James Webb Space telescope is now at its super-low ... longest infrared wavelengths in Webb's sensitivity range. "Our detectors have to be at less than 7K ...