Scientists confirm a record-breaking green anaconda in the Amazon, revealing new species clues, surprising sizes, invasive risks, and unanswered questions about even larger snakes still hidden within ...

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 ...

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.

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