The strange resurgence of words like “yap” and “skedaddle.” ...

Sure, that caricature is cute, but there are other factors to consider.

Like other living creatures, humans have been shaped by evolution. Over time, we have developed – and continue to develop – traits that help us survive.

We know the main reason that the age of the dinosaurs came to an end: an asteroid impact on the Yucatán Peninsula some 66 million years ago. But how the dinosaurs’ reign began is far less clear—and ...

A deep space photographer spent months photographing the Crab Nebula and found his composite image, when compared with the 1999 image from the Hubble Space Telescope, shows the supernova's expansion.

The “mesozoic cow” was a dinosaur with hundreds of ever-replacing teeth. Here’s how its uniquely adapted skull allowed it to graze like cattle on low vegetation.