Researchers uncovered the previously unknown vocalization while creating an algorithm that can identify and monitor lions ...

A machine learning analysis of wild lion audio reveals they have two roar types, not one. This insight might help detect where lions are declining.

Compared with a lion, a tiger's roar is often raspier and higher-pitched. In fact, male and female lions produce what scientists call a "roaring bout". Each begins with a series of soft moans, ...

Monday marks 25 years since the opening of the old lion habitat at the MGM Grand. The live animal exhibit opened in 1999 and lasted for just over 12 years, only to be — in true Vegas fashion — ...