Using the Hubble Space Telescope, astronomers have discovered a new type of cosmic object, a cloud of dark matter and gas ...

A potential new type of celestial object has all the makings of a normal small galaxy. It’s rich with the same hydrogen gas ...

The “failed galaxy” Cloud-9, a dark matter-dominated blob of hydrogen gas some 14 million light-years from Earth. The diffuse ...

Astronomers have captured the most detailed look yet at faraway galaxies at the peak of their youth, an active time when the ...

Scientists have theorized that dark matter clumps exist in staggering numbers, far more than the galaxies we see. Only clumps ...

A team using the NASA/ESA Hubble Space Telescope has uncovered a new type of astronomical object—a starless, gas-rich, ...

From a window on the International Space Station, astronauts have captured a rare view of a nearby galaxy caught in the act ...

In doing so, they found this orphan is within the same weight class as Saturn, strengthening the case that the galaxy teems ...

Only a small fraction of the observable universe is comprised of visible matter. Current data suggests all galaxies are ...

NASA Hubble data show stripped gas surrounding edge-on galaxy NGC 4388 in the Virgo cluster, revealing ionized plumes and structural details from black hole activity and cluster interactions.

Using data from the James Webb Space Telescope, astronomers traced how Milky Way–like galaxies formed and changed over time.

Hubble reveals a chaotic spiral galaxy whose close encounter with a neighbor has ignited a spectacular burst of star birth.