Explore the James Webb Space Telescope's incredible discovery: a cosmic alignment revealing the teenage years of our Milky Way galaxy.

“We [will be able to] move quickly and map out very large areas of the sky,” adds Josh Schlieder, the telescope’s wide-field ...

A small blue dwarf galaxy passed through the massive Bullseye galaxy. This impact created nine rings of new stars.

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

NASA wants to view the Big Bang with this behemoth, so it's saying goodbye to the James Webb Telescope. The new one redefines ...

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

"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 ...

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

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.