Betelgeuse, one of the largest stars ever discovered, is reaching the end of its life. In the coming centuries or perhaps even right now it could explode into a supernova visible even during the day.

The bold question-askers at What If examine what would happen if Betelgeuse exploded right now. Trump’s reported plan to hand Russia Ukrainian territories sparks outrage With the penny going away, ...

It’s easy to forget that stars, just like us, have lifetimes. They’re born, they live, and eventually, they die. And for some stars, their death is dramatic, producing an explosion so powerful it can ...