A newly discovered galaxy is challenging what scientists thought they knew about galactic collisions. Located 567 million ...
A small blue dwarf galaxy passed through the massive Bullseye galaxy. This impact created nine rings of new stars.
"At first, I thought I completely messed up during our research," Olivia Achenbach of the United States Naval Academy told reporters on Monday (Jan. 13) at the 245th meeting of the American ...
Einstein predicted the existence of gravitationally-warped rings of light in 1915. Now, a new one has been discovered just a ...
M82 is a nearby galaxy forming stars 10 times faster than the Milky Way due to gravitational interactions with its neighbour, M81. Arp 273, a pair of galaxies on a collision course, with the ...
The Penguin and the Egg: This image of distant interacting galaxies, known collectively as Arp 142, bears an uncanny resemblance to a penguin guarding an egg. The distorted spiral galaxy at center ...
“It’s highly likely that the circumgalactic mediums of our own Milky Way and Andromeda are already overlapping and interacting,” said Nielsen. The amount of gas around a galaxy determines ...