Scientists in Argentina say they have found a snake with hips and hind legs that provides additional evidence of descent from a land-living lizard. Najash rionegrina lived about 90 million years ago ...

NEW YORK – A fossil find in Argentina has revealed a two-legged creature that’s the most primitive snake known, a discovery that promises to fire up the scientific debate about whether snakes evolved ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A strange new dwarf snake species discovered in the tropics of Ecuador ...

A new fossil discovery has revealed the most primitive snake known, a crawling creature with two legs, and it provides new evidence that snakes evolved on land rather than in the sea. Limited time: ...

A fossil find in Argentina has revealed a two-legged creature that's the most primitive snake known, a discovery that promises to fire up the scientific debate about whether snakes evolved on land or ...