Quasars are the brightest objects in the universe, and display a mysterious diversity in their appearance that has puzzled astronomers for more than two decades.
September's full moon will cap a trio of back-to-back supermoons for the Northern Hemisphere summer.
The red planet will soon experience the great relief of having a half-mile wide lump of icy rock just miss it on a flyby. DNews Space Producer Dr. Ian O'Neill explains just how lucky our ruddy, rocky Milky Way buddy will be.
Using a new mapping technique that takes into account the motions -- and not just the distances -- of nearby galaxies, astronomers discovered that the Milky Way is located in the suburb of a massive, previously unknown super-cluster they named Laniakea.
Astronomers have spotted the telltale gamma rays from a supernova explosion, revealing its innermost secrets.
Chemical signature of ancient star suggests it incorporated material blasted into space by a supernova explosion from huge star in early universe.
Astronomers have gotten an unprecedented look into two beautiful stellar nurseries, revealing a dramatic display of glowing gases and some of the most massive -- and violent -- stars in the Milky Way. Continue reading →
A swarm of twinkling old stars on the outskirts of the Milky Way shines in a new view from NASA's Hubble Space Telescope.
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