Researchers have spent the past few years watching a black hole re-awaken roughly 300 million light-years away from Earth.

Gamma-ray bursts typically emit as much energy in a few seconds as an entire galaxy of stars will emit in years. Think about this: a single sudden explosion, which becomes as bright as the ...

Proxima Centauri's small size and ... the asymmetry of the star's highest energy flares, describing how the flares' decay phase was much longer than the initial burst phase. Radio- and millimeter ...

Fast radio bursts (FRBs) are notoriously ... but since planets appear as a small disk of light, we don't see them flicker.

Highly magnetic neutron star is wandering our Milky Way galaxy. Astronomers using NASA’s Hubble Space Telescope have tracked a rare and fast-moving magnetar – called SGR 0501+4516 – as it speeds ...

But this glowing cradle of newborn stars also gives astronomers clues about what our universe may have looked like when it was a young whippersnapper. "The Small Magellanic Cloud is less rich in ...

Over the past decade, scientists have detected a puzzling phenomenon: radio pulses coming from within our Milky Way galaxy that would pulse every two hours, like a cosmic heartbeat.

Each compartment has its own bursting charge, which ignites and throws out the stars. In order to spread these decorations over a wide area of sky, the break must burst open with tremendous force.