It's the latest in a series of mysterious radio signals that may point to new types of dead stars. Astronomers are looking for more of these signals — and hoping ones they've discovered will reappear.

Astronomers have identified a vast, twisting chain of galaxies that appears to be rotating as a single structure, a kind of cosmic tornado that stretches across tens of millions of light years. If ...

The first part of your question — how stellar objects reach millisecond spin periods — involves two concepts. First, the object needs to be small, since no material can move faster than the speed of ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist’s rendition of a supermassive black hole surrounded by a swirling accretion disk. (draco-zlat/Getty Images) One of the ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Levitation might seem like a superpower out of science fiction ...

The formation of star clusters and galaxies is due to fluctuations in the density of cosmic matter, and hence gravity’s pull. The fact that all these objects are spinning is due to the conservation of ...