A bright flash of gamma rays from the constellation Boötes that lasted nearly one minute came from a kilonova, as we described in a new paper. This finding challenges what astronomers know about some ...

Is there anything more dramatic than an exploding star? More than just extraordinarily bright, energetic events that can ...

“We showed that if black hole morsels are created during mergers, they would produce a burst of high-energy gamma rays, with the delay time related to their mass,” Dr. Cacciapaglia said. “Our analysis ...

Roland Crocker receives funding from the Australian Research Council. A glowing blob known as “the cocoon”, which appears to be inside one of the enormous gamma-ray emanations from the centre of our ...

The experiment at CERN produced pairs of electron and positron beams, propagating into an ambient plasma. The international ...

Scientists think they've found a new way to look for ripples in space-time. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Telescopes that ...

A tremendous cosmic explosion 2.4 billion light years away temporarily changed the electric field in Earth’s ionosphere (the electrically-charged upper layer of our atmosphere that helps shield life ...

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A glowing blob known as “the cocoon”, which appears to be inside one of the enormous gamma-ray emanations from the centre of our galaxy dubbed the “Fermi bubbles”, has puzzled astronomers since it was ...