Astronomers detected radio waves from a rare exploding star, revealing what happens in the final years before a massive star ...

From collapsing glaciers and retreating lakes to exploding cities and intensifying fires, satellite images reveal how quickly Earth is changing. This video explores striking before and after views ...

Earth has faced multiple mass extinctions in its long history, with the asteroid that wiped out the dinosaurs being the most famous. But what if some of these catastrophic events were caused by ...