"We are literally mapping the entire celestial sky in 102 infrared colors for the first time in humanity's history." ...

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

James Webb recently peered at an alien world that could harbor alien life. What impact would such a seismic discovery have on ...

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

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

NEW YORK (AP) — A full-scale replica of the secret annex where Anne Frank penned her famous diary opened in New York City on ...

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

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

The United States Postal Service has issued two new stamps featuring stellar images beamed back to Earth by the James Webb ...

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

A retired Tucson heart doctor won a national amateur astronomy award for helping University of Arizona scientists detect some of the faintest and most confounding galaxies in the universe.