From our vantage point inside it, the Milky Way can feel infinite, a hazy river of light that wraps around the sky. Yet when ...

Three merging galaxies host three active black holes, offering rare insight into galaxy and black hole growth.

Distance records are an excellent proxy for the state of the art in astronomy. Finding extremely faraway galaxies is hard. In ...

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 ...

Understanding how the Milky Way formed means looking far beyond the bright spiral you see in the night sky. A new study led ...

But the Big Bang theory predicts that about 5% of the universe's contents should be atoms made of protons, neutrons and ...

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 ...

Scientists have discovered a giant cosmic filament where galaxies spin in sync with the structure that holds them together.

Spring has sprung — and for lovers of deep-sky objects, that means it’s galaxy season. This is a time of the year when that pesky, band of glowing stars and shadowy dust that we call the Milky Way is ...

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, ...

Galaxies come in many shapes and sizes, from giant, slowly rotating ovals and fast-whirling spiral disks to faint ball-shaped blobs and dwarf irregulars. Most large, bright galaxies — including our ...

The most distant and earliest "dead" massive galaxy ever seen shows some galaxies lived fast and died young shortly after the Big Bang. When you purchase through links on our site, we may earn an ...