New James Webb Space Telescope observations of a star cluster called NGC 346 are shedding light on how, when and where ...

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

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

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

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

This mystery arose more than 20 years ago when the Hubble Space Telescope spotted the oldest known planet, which was formed ...

The James Webb Space Telescope captured photos of one of the earliest supernovas ever seen using infrared technology, and creating a time lapse of the phenomena.

Japan's government has been considering joining a U.S.-led space telescope initiative to search for Earth-like planets and ...

A light echo is created when a star explodes or erupts, flashing light into surrounding clumps of dust and causing them to shine in an ever-expanding pattern.

A cosmic object spotted by the James Webb Space Telescope has flummoxed astronomers. Now, a research team has studied ...