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

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

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

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

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

On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than ...

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

"The Hubble tension is now a Hubble crisis." The mystery of the Hubble tension has deepened with the startling finding that ...

Hubble has previously imaged the same nebula, with an image released in 2023 and another shared in 2020. You might also recognize the name of this nebula as it was made world famous when the James ...

Hubble Space Telescope mapped Andromeda, revealing a chaotic history shaped by mergers. A 2.5-billion-pixel mosaic shows 200 ...

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

The full image includes some 2.5 billion pixels compiled from observations spanning more than 1,000 orbits around Earth ...