When a massive star collapses or two neutron stars collide billions of light-years away, the explosion can unleash a brief, ...

Astronomers have finally identified the source of unusual X-rays from the bright star gamma-Cas, resolving a decades-long mystery.

What happens when two neutron stars collide? This video explores the fascinating phenomena associated with neutron star ...

The star is the most chemically pristine star ever seen, with barely any heavy elements.

Our sun is a roiling mass of energy, with solar flares exploding on its surface, sending gas, plasma, and light that blasts ...

Astronomers have discovered stellar winds can cause black hole jets to change direction – just like wind on Earth can blow ...