The Hubble telescope shows stars exploding near a giant plasma beam shooting out from a black hole. The beam, named M87 jet, is 3,000 light years long and is moving through space at almost the speed ...

Astronomers say they spotted signs of a giant explosion releasing from a star beyond our solar system, one powerful enough to destroy a planet’s atmosphere.

The cooler, denser plasma appears dark against the raging surface of the sun in this view from a NASA spacecraft. When you purchase through links on our site, we may earn an affiliate commission. Here ...

Astronomers have solved the decade-long mystery of how a bizarre cosmic object toggles rapidly between "high" and "low" energy states: by launching plasma cannonballs from its orbit. The object in ...

A series of three powerful flares and associated explosions of solar material out across the Solar System have set Earth ...