How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...

When a massive star collapses into a rapidly spinning black hole, it can release twin jets of gamma radiation so powerful they briefly outshine entire galaxies. These events, known as gamma-ray bursts ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you will learn when you read this story: Abiogenesis—the emergence of ...