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

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

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

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

The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in observations..

Scientists used NASA’s James Webb Space Telescope to examine select star-forming areas in the Extreme Outer Galaxy in near- ...

There is a lot of complicated but beautiful physics in understanding how this explosion takes place,” says Purdue University ...

The striking blue stars of the Leo P dwarf galaxy appear dashed across the lower right corner of this image from NASA's James ...

NASA's James Webb Space Telescope (JWST) has captured photos of one of the earliest supernovas ever seen, with features appearing like grains and knots found in a cut of wood. "Once upon a time ...

The James Webb Space Telescope has spotted one of the earliest and most distant supernovas, marking the death of a stellar monster 20 times the mass of the sun.

Using the James Webb Space Telescope (JWST), astronomers have discovered ... patches in these enriched clouds collapsed to create new stars, this second generation of stars (Population II) was ...