CAPE CANAVERAL, Fla. — NASA claims astronomers have discovered the biggest explosion seen in the universe. The explosion was so large it carved out a crater in the hot gas that could hold 15 Milky ...

It was only last October that telescopes spotted a gamma ray burst—caused by the collapse of a black hole —that was so powerful astronomers quickly dubbed it BOAT, for “Brightest of all Time.” That ...

Astronomers say one of the universe’s largest stars has dramatically changed since 2014, possibly entering a rare final phase that could end in a spectacular supernova explosion.

The vast emptiness of space is growing emptier one star at a time. That's because 80 billion lightyears from Earth, three cosmic beasts are devouring stars ten times the size of the sun. Stream Los ...