Mysterious little red dots threatened to overhaul modern cosmology—but new research may have solved the celestial conundrum.

NASA wants to view the Big Bang with this behemoth, so it's saying goodbye to the James Webb Telescope. The new one redefines ...

"The operations work at STScI, NASA's Goddard Space Flight Center, and other NASA contractors is funded by the operational ...

The James Webb Space Telescope has captured amazing new imagery of Uranus along with its rings and moons. The footage shows ...

The Priority Mail 'Spiral Galaxy' and Priority Mail Express 'Star Cluster' stamps are now available in panes of four at post ...

First discovered in 2009, GJ 1214 b is described by the JWST team as being “sub-Neptune-sized” - smaller than the outermost ...

The U.S. Postal Service has issued a new set of stamps celebrating the James Webb Space Telescope, the most powerful space ...

James Webb’s latest images of the Pillars of Creation reveal stunning details, but astronomers suspect these cosmic towers ...

On this date, President John F. Kennedy provides NASA with its strongest advocate for large space telescopes, James Webb ...

The NASA/ESA/CSA James Webb Space Telescope has captured and amazing view of the Sombrero Galaxy (Messier 104). The galaxy is ...

New U.S. Postal Service stamps released last week feature images captured by NASA's James Webb Space Telescope.

Through the lens of the Hubble and James Webb Space Telescopes, scientists are zeroing in on the Hubble Constant, a vital ...