An inexplicably hot, fast-growing cluster of galaxies in the early universe has scientists questioning theories of galactic ...

Using the Subaru Telescope’s wide-field camera, astronomers have discovered a previously unknown structure surrounding a tiny ...

Nearly all stars are found inside or around galaxies, but there are ways for stars to escape into intergalactic space.

While nearly all massive galaxies possess central black holes, the presence of such black holes in dwarf galaxies remains an open question, with previous estimates identifying them in only 0.5% of ...

The scientific community is abuzz with the recent revelations made by the James Webb Space Telescope. This revolutionary instrument has discovered galaxies that are far older than previously thought, ...

The Champagne Cluster is a rare and beautiful example of two galaxy clusters smashing together. Its festive name comes from both its New Year’s Eve discovery and its bubbly appearance in space. Images ...

Astronomers announced the discovery of a starless cloud of hydrogen gas, a pristine relic of the cosmos that is almost as old ...

Scientists at the University of Missouri have identified a small group of unusual objects in the early universe. Using NASA’s ...

Hubble has revealed a strange cosmic object called Cloud-9, a dark matter–dominated cloud with no stars at all. Scientists ...

Images taken with the MIRI infrared camera on the James Webb Space Telescope (JWST) have made it possible to observe the first galaxies in long-wavelength infrared light for the first time. Alongside ...

Astronomers have captured the most detailed look yet at faraway galaxies at the peak of their youth, an active time when the adolescent galaxies were fervently producing new stars.

On the night of Oct. 5 to 6, 1923, Edwin Hubble discovered a new star — and revealed the utter vastness of the universe. Hubble was looking at the cosmos with the 100-inch Hooker telescope at the ...