The most powerful telescope in history. The James Webb Space Telescope's "jewel-filled" photos are stunning. Marketing health ...

"Our measurements imply that the supermassive black hole mass is 10% of the stellar mass in the galaxies we studied." ...

An illustration of the James Webb Space Telescope as it orbits the sun in ... miles per hour (1,000 kilometers per second)," NASA explained. That's a telltale sign of a strong black hole: Black ...

HWO will be the first space telescope built to find potentially habitable planets and analyze their atmospheres for signs of ...

How do images taken by the James Webb Space Telescope (JWST) appear so colorful, and where do the colors come from?

The James Webb Space Telescope has captured imagery of interacting elliptical and spiral galaxies known as Arp 107. Credit: ...

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

The James Webb Space Telescope (JWST) has captured the first exquisite images of an interstellar patch of sky, about 11,000 light-years away in the constellation Cassiopeia.

Originally known as the "Next Generation Space Telescope," the telescope was somewhat controversially named after James E. Webb, one of NASA's early administrators. Webb ran NASA from 1961 to 1968 ...

The James Webb Space Telescope has revolutionized astronomy in just three years. A new project celebrates its impact on the ...

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

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