Astronomers have detected a gamma-ray burst (GRB) like none other. GRB 250702B was longer than any ever observed and repeated ...
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A black hole may have eaten a star and produced the longest gamma-ray burst ever recorded
A Black Hole May Have Eaten a Star and Produced the Longest Gamma-Ray Burst Ever Recorded ...
An international team from China and Italy has reported a possible cosmic encore to the landmark 2017 multi-messenger discovery. In November 2024, the LIGO-Virgo-KAGRA observatories detected ...
An illustration of two stellar-mass black holes merging in the accretion disk of an active galactic nucleus. (Shu-Rui Zhang) ...
"We found a collision within a collision. The galaxy collision triggered a wave of star formation that, over hundreds of millions of years, led to the birth and eventual collision of these neutron ...
A recently detected flash of energy appears to have emanated from the wreckage of colliding galaxies, according to an international team of astronomers led by Penn State scientists. The burst, known ...
Hidden gamma-ray burst echo reveals a huge unseen cosmic blast, helping astronomers trace one of space’s rarest explosions.
A cosmic explosion with an energy equivalent to the output of a billion suns went unnoticed by astronomers until they caught ...
BROOMFIELD, Colorado—One of NASA’s oldest astronomy missions, the Neil Gehrels Swift Observatory, has been out of action for ...
Visible without a telescope, γ Cassiopeiae has stood out for decades because it behaves unlike an ordinary massive star. Its ...
A naked-eye star’s 50-year mystery is solved—its bizarre X-rays come from a hidden, feeding white dwarf.
An underwater observatory recently detected a startlingly energetic cosmic neutrino. One possible cause involves a phenomenon ...
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