than 2.2 billion light-years away, for more than 13 hours. The gravity of the cluster’s trillion stars, plus dark matter, acts as a 2-million-light-year-wide “lens” in space. This “gravitational lens” ...

NASA's James Webb Space Telescope (JWST) has turned its sharp eyes on a distant patch of sky made famous by its predecessor. A newly released JWST photo captures the Hubble Ultra Deep Field (HUDF), a ...

The video begins with a view of the thousands of galaxies in the Hubble Ultra Deep Field and slowly zooms out to reveal the larger Hubble Legacy Field, containing 265,000 galaxies.

In the summer of 1995, Robert Williams, then director of the Space Telescope Science Institute, which manages the Hubble Space Telescope's research program, was paid two visits by the renowned ...

Among the most enduring scientific achievements of the Hubble Space Telescope is the Hubble Deep Field image, which revealed a far richer and more complex structure of the cosmos than ever imagined.