Following its world premiere at NewFest last year, Second Nature is screening as part of SXSW Edu on March 12. An additional ...

On average, males hold on to a territory for just two years before being challenged and replaced. Madumo and Big Toe are anything but average. Their long-term stability has allowed the pride to grow, ...

A "dominant" crocodile-like predator with a big lump on its head preyed on man's ancestors three million years, ago, ...

OUR early human ancestors faced a life-threatening monster lurking in rivers and lakes. Scientists have uncovered evidence of a giant mega-croc beast that measured up to a whooping 15 feet in length.

Image Credit: Survival World ...

Here are 10 animals that have some of the highest levels of testosterone and the impact it has on their behavior and characteristics.

PESCADERO — Every year from late December through March, scientists from the Beltran and Costa labs at UC Santa Cruz set out for the beaches of Año Nuevo State Park. There, thousands of elephant seals ...

The cougar ( Puma concolor) holds the Guinness world record for the mammal with the most names. It has more than 40 names in English alone, including mountain lion, puma, panther, ghost cat, deer ...