For years, scientists have puzzled over a strange mismatch in how fast the universe seems to be expanding. Depending on ...

Galaxy merger Arp-Madore 417-391 is on display in this new image captured by the Hubble Space Telescope's Advanced Camera for ...

NASA frequently shares stunning visuals and illustrations of black holes and quasars, giving us a glimpse into these mysterious cosmic wonders. This captivating artist’s illustration shows a distant ...

A dam Riess was 27 years old when he began the work that earned him the Nobel Prize in Physics, and just 41 when he received ...

See composite views of the Cartwheel Galaxy captured by the James Webb Space Telescope. The galaxy is 500 million light years ...

A groundbreaking study reveals a population of massive black holes hidden by cosmic dust, detected through the JWST.

“We could have detected this galaxy even if it were 10 times fainter, which means that we could see other examples yet earlier in the universe, probably into the first 200 million years,” says Brant ...

Astronauts Steven Smith and John Grunsfeld, appear as small figures in this wide-angle photograph from December 1999, taken ...

A dazzling cosmic swirl, NGC 3507 shines alone in this Hubble image, though it secretly belongs to a dynamic galactic duo.

Scientists have long puzzled over a discrepancy in how fast the universe is expanding, but new, sharper data from the James Webb Space Telescope may finally be solving the mystery. By refining ...

MISTRAL is a new-generation receiver for observations at millimeter wavelengths, built as part of the recent project to upgrade the Sardinia Radio Telescope for the study of the high-frequency radio ...

A galactic pileup 94 million light-years away is giving astronomers a detailed look at how cosmic collisions shape the universe.