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The fastest-spinning brown dwarfs ever found may point to a cosmic speed limit. Brown dwarfs, which are sometimes called "failed stars," are more massive than most planets but not heavy enough to ...

How fast can a neutron star spin? This is what a recent study published in The Astrophysical Journal hopes to address as an international team of more than a dozen researchers have identified one of ...

Astronomers have discovered that rapidly spinning dead stars called neutron stars at the heart of pulsars can blast out radio signals from their edges. The finding could overturn decades of thinking ...