The prospect of measuring the mass of the most massive known objects in the universe would send most people into a cold sweat, but for astronomers it's all in a day's work.
The Event Horizon Telescope (EHT) now spans the diameter of our planet and, when the vast project goes online, astronomers will get their first glimpse of the bright ring surrounding a supermassive black hole.
Despite the harsh environment created by the monster black hole lurking in the center of the Milky Way galaxy, new observations show that stars — and, potentially, planets — are forming just two light-years away from the colossal giant.
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 study based on 151 multi-planetary systems found by NASA's Kepler space telescope shows that most have a planet -- or two or three.
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.
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