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Scientists discovered a dwarf galaxy which appeared to have no dark matter.

A team of astrophysicists affiliated with multiple institutions in the U.S. have developed a new theory to explain the existence of dark matter–free dwarf galaxies. The study has been published in the journal Nature. In the research paper, the scientists proposed that a collision between...

Galaxy collision creates ‘space triangle’ in new Hubble image

A spectacular head-on collision between two galaxies fueled the unusual triangular-shaped star-birthing frenzy. It has been captured in a new image from NASA's Hubble Space Telescope. The interacting galaxy duo is called Arp 143. The pair have the glittery, distorted, star-forming spiral galaxy NGC 2445 at...