The scientific wonderers at What If explore the catastrophic destruction that would occur if Earth’s core suddenly exploded.

An exploding star may have sent cosmic shrapnel flying to hit Earth 10 million years ago, and astronomers have now narrowed down the most likely culprits behind this interstellar incident. Earlier ...

Earth may owe some of its properties to a nearby star that blew up just as the solar system was forming. This pattern, which saw a supernova bubble envelop the sun and shower it with cosmic rays, may ...