Modern anacondas and pythons are massive, but fossil evidence shows they are not even close to the largest snakes to ever ...

Scientists confirm a record-breaking green anaconda in the Amazon, revealing new species clues, surprising sizes, invasive ...

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 ...

Pythons and anacondas are undeniably massive snakes, capable of reaching lengths and girths that make them some of the heaviest reptiles alive today. But even these modern giants pale in comparison to ...

Quick Take Reaching a size 5 times larger than males is a biological benchmark for breeding females. Holding breath for 10 minutes underwater dictates the specific aquatic reach of the green anaconda.

The biggest Burmese python ever caught in Florida — 17 feet, 7 inches long and 164½ pounds — was found in Everglades National Park, the University of Florida announced Monday. The snake was pregnant ...