In a nutshell A rare cosmic alignment has given astronomers an unprecedented view of two galaxies from 7 billion years ago, ...

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

By observing tiny ripples in spacetime called "gravitational waves" that propagate away from colliding black holes, ...

The planet 51 Pegasi b is a long way from Prior Lake, 48 light years (several billion miles) to be exact. It orbits a fifth magnitude star, similar to our Sun, in the constellation Pegasus. It was ...

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

In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...

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 ...