There is a supermassive black hole at the center of nearly every big galaxy—including ours, the Milky Way (it's called Sagittarius A*). Supermassive black holes are the densest objects in the ...

An accidental discovery by a team of astronomers has upended existing theories about how galaxies formed in the early ...

Astronomers have uncovered a colossal disk galaxy in the early universe, a structure so large and well-formed that it ...

Hubble's Telescope captured images of irregular galaxies, which are characterized by ... NASA's Hubble Space Telescope has captured a breathtaking image of the spiral galaxy NGC 3430, situated 100 ...

"Starburst galaxies birth lots of hot blue stars that burn fast and die quickly in explosions that unleash intense ...

For over a century, astronomers have marveled at the beauty and complexity of spiral galaxies, which feature arms covered in ...

This intermediate spiral galaxy is located about 50 million light-years from Earth in the constellation Virgo. Known as NGC 4536, the galaxy boasts sweeping spiral arms speckled with bright blue ...

A newly-discovered spiral galaxy, dubbed the Big Wheel, formed just 2 billion years after the big bang – far earlier, considering its size, than astronomers thought possible. Themiya Nanayakkara ...

Disk galaxies typically have clear spiral arms extending outward from a dense central region. Our Milky Way itself is a disk galaxy, characterised by beautiful spiral arms that wrap around its centre.