Astronomers have discovered a once-dormant supermassive black hole springing back to life in a very dramatic and spectacular fashion, acting as a "cosmic volcano" blasting out an eruption that ...

One of the most vivid portraits of 'reborn' black hole activity - likened to the eruption of a 'cosmic volcano' spreading almost one million light-years across space - has been captured in a gigantic ...

"How and where particles are accelerated in the jets of supermassive black holes has been a long-standing mystery." When you purchase through links on our site, we may earn an affiliate commission.

This stunning satellite photo shows one of the world's most famous and potentially dangerous volcanoes, Mount Vesuvius, playing a game of peek-a-boo with an orbiting spacecraft through a strangely ...

A mysterious pit on the flank of an ancient volcano on Mars has generated excitement recently because of what it could reveal beneath the surface of the Red Planet. Here's what that means. First ...