A fossil found in Wyoming has apparently resolved a long-standing question about when bats gained their radar-like ability to navigate and locate airborne insects at night. The answer: after they ...

But a new study sheds light on this question. It reveals that bats don’t just listen to echoes the way we once thought, but also use something called acoustic flow velocity to judge their speed and ...

KELLY: Bats flying out of their caves by the thousands, sometimes tens of thousands. Across the world, it happens every night. And for the bats, you might think it was a nightmare, too - a traffic ...