Astronomers are highly aware that the vast majority of matter in our universe is invisible, or 'dark.' So what the heck is it? Well, now we have a good idea as to what it probably isn't.
The pair of black holes the set off the first detection of gravitational waves through space may have been spawned by the death of a single, massive star.
Like a blinding beacon lighting up the night, a powerful gamma-ray-generating stellar husk has been seen pulsating in a neighboring galaxy.
Where did these 30,000 light-year high bubbles come from? Astronomers still aren't quite sure. Continue reading →
Astronomers may have not yet found Cybertron but this "transforming" pulsar definitely has a shape-shifting double personality. Continue reading →
Last month astrophysicists at Stanford's Kavli Institute for Particle Astrophysics and Cosmology presented their latest results from NASA's Fermi Gamma-Ray Space Telescope's observations of supernova remnants. And they think those results add to a growing body of evidence that cosmic rays -- highly...
Researchers have narrowed down the size requirements for dark matter -- the elusive stuff that pervade the universe, lending mass but emitting no detectable radiation.
Our Universe, and everything in it, was created by the Big Bang... or was it?
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