"We thought they were basically all going to be fried because the entire universe turned into a vat of boiling oil." ...

"Black holes are so stealthy that this one has been practically under our noses this whole time." ...

Andromeda XXXV, the smallest and faintest galaxy ever observed. Located three million light-years away, this miniature galaxy ...

That's far faster than our slowpoke Sun, which orbits the center of our galaxy at about half a million miles per hour.

We're actually doing it all the time. We live on a rotating planet, that orbits a star, that moves around a galaxy, that rockets through the universe constantly. But how fast are we moving ...

Northwestern University scientists have detected the first radio pulses that can be traced to a dead-star binary.

They orbit the Milky Way at a distance of about ... Confirming if a nearby dwarf galaxy is a Milky Way satellite involves spectroscopy — analysis of the light it emits — to determine its ...

They each orbit around their common center of mass. Because the density of galaxies is high within clusters, galaxy collisions occur. One such collision can be seen in the lower right of the image ...

Located 2.5 million light-years away, the majestic Andromeda galaxy appears to the naked eye as a faint, spindle-shaped object roughly the angular size of the full Moon. What backyard observers don't ...

NASA's Hubble Space Telescope has spotted some strange behaviour from a swarm of galaxies around Andromeda, our neighbour ...