We often assume mathematics is the one language every intelligent species must share. But while physical laws may be ...

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

Human intelligence wasn’t a cosmic evolutionary fluke, some scientists say. The case against cosmic loneliness is growing.

A new study focused on cryptic species—animals that look the same but are genetically different—found that they’re more widespread among vertebrates than we previously thought.