Earth is still being showered by radioactive debris from ancient exploding stars, according to a fascinating new study that ...

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 is quietly collecting radioactive debris from an ancient stellar explosion as our Solar System drifts through a giant cloud of gas and dust between the stars. Scientists analyzing Antarctic ice ...

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 ...