Astronomers have spotted a bizarre cosmic explosion that refuses to play by the rules—and it’s leaving scientists scrambling for answers. GRB 250702B, detected by NASA’s James Webb Space Telescope and ...
BROOMFIELD, Colorado—One of NASA’s oldest astronomy missions, the Neil Gehrels Swift Observatory, has been out of action for ...
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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 of astrophysicists from China and Italy has discovered a potential link between gravitational waves and ...
A brief blaze of gamma and X-ray light that lit up Earth telescopes in November 2024 may have come from an unexpected source.
They discovered that the host galaxy is incredibly massive — weighing in at over 40 billion times the mass of our Sun — and ...
Gamma-ray bursts are the most violent explosions in the universe. In a fraction of a second, they can release more energy than the sun will emit across its entire 10-billion-year lifetime. Most are ...
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A cosmic surprise: Black hole merger may have sparked a gamma-ray burst
In November 2024, gravitational-wave detectors recorded the violent merger of two black holes billions ...
Artist’s impression of the Einstein Probe satellite catching an intermediate black hole, tearing apart a white dwarf, and producing a relativistic jet. Credit: Einstein Probe Science Center, National ...
Ultra-energetic gamma rays from distant cosmic explosions have reached Earth with no measurable energy-based delay, showing that light’s speed does not change even at extreme energies. By pushing this ...
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