Quick Take Reaching a size 5 times larger than males is a biological benchmark for breeding females. Holding breath for 10 ...

Discover the monster snake that makes all modern snakes seem small by comparison. Learn about Titanoboa, the biggest snake to roam the Earth!

Deep inside Ecuador’s Amazon basin, a film crew and a team of biologists set out to capture a television moment and instead stumbled onto a scientific milestone: a colossal anaconda that may be the ...