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12 stories for“Astronomy”

Astronomers tracking an Einstein Probe flash say the longest prompt X-ray burst ever tied to a neutron star merger lasted nearly ten minutes, and that a newborn magnetar is the likeliest engine.

Sep 30, 2026

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A Hundred Radio Flashes From Deep Space Have Given Astronomers a New Way to Weigh the Universe's Missing Matter

Fast radio bursts last a millisecond and arrive smeared by everything they pass through. Caltech's Kritti Sharma and Vikram Ravi used that smear from about a hundred of them to measure how clumpy the gas between galaxies is. It is smoother than anyone thought.

Sep 15, 2026

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A Ten-Minute X-Ray Flash Points to Colliding Neutron Stars Giving Birth to a Magnetar

A Hundred Radio Flashes From Deep Space Have Given Astronomers a New Way to Weigh the Universe's Missing Matter

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A Ten-Minute X-Ray Flash Points to Colliding Neutron Stars Giving Birth to a Magnetar

A Hundred Radio Flashes From Deep Space Have Given Astronomers a New Way to Weigh the Universe's Missing Matter