This spiral galaxy, named Alaknanda, is changing what astronomers think about how — and when — such objects form.

Smaller black holes tend to attract less material, making them naturally dimmer. Chandra would miss many of these faint ...

Cosmic dawn galaxies seen by JWST reveal hidden clues about dark matter and keep rival theories about its true nature alive.

Indian astronomers have identified a surprisingly mature, Milky Way-like galaxy from the universe’s early era. Named ...

Astronomers recently discovered a never-before-seen celestial phenomenon hiding in our own cosmic backyard. The mystery object, located just a short 15,000 light-years from Earth in our Milky Way ...

We often think of galaxies either as individual “island universes” or as a member of a galaxy cluster. But there is another category of association: galaxy groups. Many galaxies — perhaps most in the ...

By studying faint distortions in galaxy shapes across a vast region of sky, scientists probed the hidden structure of the universe. In the standard picture of the universe, nearly everything is hidden ...

Scientists have uncovered a massive rotating structure in deep space, a 50-million-light-year cosmic filament where 14 ...

More than 100 observed galaxies are being disrupted and stripped of their outer layers, transforming them into fossil-dense, ultra-compact dwarf galaxies. When you purchase through links on our site, ...

With their extremely strong magnetic fields, magnetars have long been considered the prime culprit capable of producing the powerful bursts of energy known as fast radio bursts. The recent burst, ...

Astronomers discovered an ultra-rare spiral galaxy with a ring of hydrogen swirling around its poles. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...