Andromeda XXXV is only about 20,000 times more massive than our Sun—very small, even for a satellite galaxy. For comparison, ...

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

For decades, scientists have studied small satellite galaxies to better understand how the universe’s smallest galaxies ...

An ambitious new survey by the Hubble Space Telescope offers the first bird's-eye view of all known dwarf galaxies orbiting ...

A discovery made by a team led by researchers at the University of Michigan tugs at the seams of some key cosmic lessons we ...

"Everything scattered in the Andromeda system is very asymmetric and perturbed. It does appear that something significant ...

NASA has launched the SPHEREx telescope to uncover the ingredients for life in our galaxy, as well as the PUNCH mission to study the sun’s mysteries.

"It was actually a total surprise to find the satellites in that configuration and we still don’t fully understand why they ...

Hubble's study reveals Andromeda experienced major galactic collisions, unlike Milky Way. Its satellite galaxies show unusual ...

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 ...

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 ...