During conversation, people sometimes synchronize their voices in ways that often go completely unnoticed. Talking speeds ...

A paper airplane built using a world-record design was thrown inside a full-size stadium. With open air and steady wind, it ...

"The UN estimates that by 2050, common bacterial infections could kill more people than cancer," says Arnold Mathijssen, a ...

The Florida hunt exposed deep emotional divisions among animal rights activists and hunters. In social media forums and in ...

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...