The James Webb Space Telescope is peering into distant worlds and rewriting our grasp of the cosmos. And in 2025, its budget ...

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

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

An illustration of the James Webb Space Telescope as it orbits ... That's over two-and-a-half times larger than the Hubble Space Telescope's mirror. Capturing more light allows Webb to see more ...

NASA's James Webb Space Telescope is known for looking deep into the universe with an unprecedented level precision and sensitivity. But its images aren't only scientifically useful — they're ...

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.

Astronomers used NASA's James Webb Space Telescope to reveal 44 stars in a galaxy so far away, its light dates to when the universe was half its age.

Of all the mysteries that the massive James Webb Space Telescope has seen so far in the early universe, one of the strangest are objects that astronomers now call "little red dots." Like the ...

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 ...

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