A fleet of NASA missions has likely uncovered a collision between two ultradense stars in a tiny galaxy buried in a huge stream of gas. Astronomers have never seen this type of explosive event in an ...
NASA Chandra X-ray telescope data from galaxy cluster Abell 2146 showed a "shockwave that stretches for some 1.6 million ...
In a patch of sky about 1.2 billion light-years from Earth, astronomers have found a cosmic rarity: three galaxies caught in a merger, and all three of their central supermassive black holes are ...
TUCSON, Ariz. (KVOA) - The Small Magellanic Cloud (SMC), one of the Milky Way's closest galactic neighbors, is undergoing a transformation visible from the southern hemisphere. This change is due to a ...
570MP DECam image unveils giant halo, star stream, and clues to ancient galactic collision.
A nearby galaxy long treated as a stable cosmic reference is revealing a far more dynamic and turbulent history.
HILO (HawaiiNewsNow) - What happens when two galaxies collide? A Hilo astronomer is helping answer that question and predict the future of the Milky Way. Dr. Pierre Martin and his team created an ...