Whenever we study space, we’re usually talking about long-lasting objects, like our own solar system or faraway galaxies that occasionally catch our attention when something extraordinary happens. But ...

Somewhere in the distant universe, a supermassive black hole that had gone quiet for millions of years has switched back on. Twin jets of superheated plasma are now blasting outward from its core, ...

Fast radio bursts — powerful and poorly understood cosmic eruptions — tend to occur in massive galaxies that host long-dead stars known as magnetars, a new study suggests. Every day, invisible to the ...

SETI Institute communications specialist Beth Johnson welcomed Professor Dagomar Degroot, environmental historian at Georgetown University, for a discussion on his new book Ripples on the Cosmic Ocean ...

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 ...

A distant galaxy that lay quiet for decades has suddenly stirred, lighting up in dramatic bursts that have caught astronomers off guard. This unexpected awakening, traced to a black hole at the galaxy ...

At times the sun ejects energetic material into space which can have consequences for space-based and even ground-based electronic technology. Researchers aim to understand this phenomenon and find ...

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 ...