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 →
In 2011, astronomers were getting excited for what promised to be a spectacular cosmic event. Sadly, it looks like it's turned out to be a galactic damp squib. Continue reading →
The boundaries of our home galaxy may have to be redrawn.
Red dwarf stars -- the most common stars in the galaxy -- bathe planets in their habitable zones with potentially deadly stellar winds, a finding that could have significant impacts on the prevalence of life beyond Earth, new research shows.
Although we have a pretty good idea that our galaxy contains a supermassive black hole at its core, there could be another — albeit rather exotic — explanation for our observations of Sagittarius A*. It might be a wormhole. This … Continue reading →
Around 7,500 light-years from Earth, in the constellation of Carina (The Keel), lies a loosely-bound collection of stars that are as beautiful as they are useful. Continue reading →
How do magnetars become so magnetized? Astronomers think that they might get a little help from their friends. Continue reading →
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