New research reveals just how invisible this stuff is, even to itself.
Through the use of a monster telescope attached to a modified Boeing 747 jet, astronomers have discovered the dust of an ancient supernova near the center of the Milky Way.
A dwarf galaxy orbiting the Milky Way is humming with gamma rays, leading astronomers to hypothesize that it could be filled with annihilating dark matter particles.
A ring-like filament of stars wrapping around the Milky Way may actually belong to the galaxy itself, rippling above and below the relatively flat galactic plane, making it far bigger than previously thought.
The star cluster is unique since it's located thousands of light-years away from the main disc of our galaxy.
A ravaged star, having survived its partner's supernova explosion, is being flung out of the Milky Way at record speeds.
It has long been assumed that the size of a supermassive black hole in a galaxy's core is intimately related to the number of stars that galaxy contains -- but it might not be that simple.
The supernova remnant is located over 150,000 light-years away in the satellite dwarf galaxy known as the Large Magellanic Cloud.
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