Approximately 10 million years ago, a nearby cluster of stars erupted as a violent series of supernovae and, according to new observations, the million degree plasma from these powerful detonations surround the solar system today. Continue reading →
A recent discovery of an intermediate-mass black hole in a nearby galaxy offers the best evidence yet that a class of medium-size black holes exists.
A swarm of twinkling old stars on the outskirts of the Milky Way shines in a new view from NASA's Hubble Space Telescope.
Where did these 30,000 light-year high bubbles come from? Astronomers still aren't quite sure. Continue reading →
As part of an ongoing survey of active galaxies, the Hubble Space Telescope looked deep into the heart of one stunning example just 32 million light-years from the Milky Way. Continue reading →
The boundaries of our home galaxy may have to be redrawn.
The Hubble Space Telescope has spotted an unprecedented 100,000 light-year long structure wrapped around two colliding galaxies. Continue reading →
A NASA probe recently spotted the dazzling Pan-STARRS comet as it hurtled through space against the backdrop of a distant galaxy.
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