Supernovas happen when giant stars, far larger than our sun, burn through their fuel and collapse under their gravity.

In a nutshell A massive supernova explosion 13,000 years ago may have triggered the Younger Dryas ice age by damaging Earth’s ...

"When nearby supernovas occur in the future, the radiation could have a pretty dramatic effect on human society." ...

When a star explodes, it sends high-energy particles out in all directions. This burst of energy can travel through space for ...