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Gamma-Ray Burst in Faraway Galaxy Disturbed Earth’s Upper Atmosphere

WASHINGTON—About two billion years ago in a galaxy far beyond our Milky Way, a big star met its demise in a massive explosion called a supernova that unleashed a huge ...

November 15, 2023BY Reuters
Bright ‘Blazars’ Fill the Night Sky, but We Can’t See Them

The most luminous objects in the cosmos are actually invisible to the naked eye. They are called "blazars," ...

February 22, 2016BY Kate Becker
How Do Jet-Powered Hypernovae Get Their Oomph?

When certain massive stars use up all of their fuel and collapse onto their cores, explosions 10 to ...

December 5, 2015BY Kimm Fesenmaier

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