Researchers have discovered a group of galaxies that have so far been inaccessible to Earth-based telescopes. These "hidden" ...

The energy source behind both quasars and microquasars is the spin of the black hole itself. As they gradually give up this ...

A blob of gas seen outside the Milky Way could be a type of starless, dark matter–dominated galaxy. Some scientists are skeptical.

The fast-moving gas cloud could help explain the so-called missing satellite problem, if the object is what scientists think ...

Astronomers have peered back in time to find what looks like a population of 'hidden' galaxies that could hold the key to unlocking some of the universe's secrets. If their existence is confirmed it ...

The potential finds could be contributing to some of the faintest light we can see in the universe, say researchers.

Astronomer Charles Steinhardt said most stars we see "might have formed under different conditions than we previously ...

Up until recently, astronomy was reliant entirely on electromagnetic waves. While that changed with the confirmation of ...

A fog of long-wavelength infrared light could be produced by dusty, star-forming galaxies that have remained hidden — until ...

Since the James Webb Space Telescope (JWST) began science operations, astronomers have observed galaxies that existed more ...

See amazing views of colliding galaxies NGC 520 and barred galaxy IC 4212 in imagery from the Siena Galaxy Atlas. Credit: ...