The strange behavior of hypervelocity stars suggests a nearby dwarf galaxy must contain a supermassive black hole. If so, a ...

Hypervelocity stars (HVSs) were first theorized to exist in the late 1980s. In 2005, the first discoveries were confirmed.

and most of its mass becomes either a neutron star—an ultradense object about the size of a city—or a black hole. The rest explodes outward, flying into space like bullets. Astronomers have ...

By revealing a massive radio jet in the early universe, J1601+3102 offers a rare snapshot of early quasar activity.

A fluffy cluster of stars spilling across the sky may have a secret hidden in its heart: a swarm of over 100 stellar-mass black holes.

The star may go supernova, or could collapse into a black hole. If the star turns into a black hole, the dust shells surrounding the object would remain intact—whereas a supernova would likely ...

"The high explosion energy of AT 2023adsv could indicate that the properties of supernova explosions might have been different in the early universe." ...

While the black hole's gravity may pull the white dwarf inward, the star is also shedding part of its outer layer into the black hole. This shedding acts as a small kick-back, such that the white ...

The James Webb Space Telescope has provided a rare glimpse into the remnants of a centuries-old supernova in Cassiopeia A. Using infrared technology, the telescope captured a light echo caused by ...

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