Watch an animation of a black hole shooting jets of particles through a "collapsing star at nearly the speed of light" and ...

Gravitational waves stretch and squeeze the fabric of space and time itself. When space/time is squeezed, pulsar pulses ...

The precursors of heavy elements might arise in the plasma underbellies of swollen stars or in smoldering stellar corpses. They definitely exist in East Lansing, Michigan.

A dramatic cosmic event, a rare dwarf nova that suddenly brightened by a factor of 2,500, has been discovered with the help ...

Today in the history of astronomy, satellites Vela 3 and 4 make the first detection of gamma-ray bursts.

Astronomers have, for the first time, witnessed a star meeting a dramatic end by exploding twice. In a study published in ...

Exploding stars V462 Lupi and V572 Velorum are best seen from the Southern Hemisphere. One has been spotted from the United States.

A cataclysmic variable star isn’t technically a single object. Instead, it’s a compact binary system composed of a white ...

The first ever space telescope, the Orbiting Astronomical Observatory 2 (OAO-2), was launched into the low Earth orbit in ...

Scientists have discovered the farthest-ever 'mini-halo,' a sea of charged particles around a distant galaxy cluster that ...

The satellite spotted a mysterious 150-second X-ray flare, named EP240414a, from a dying star 4 billion light-years away.

A microquasar belonging to our Milky Way galaxy has set records by generating cosmic rays with energy levels never before ...