The real reason turtles pull their heads into their shells

Ever consider the question of whether a turtle can truly pull its head into its shell like a cartoon representation in a ...
CNET

Shell-less ancestor of turtles revealed through holes in its head

A 260 million-year-old fossil has been determined to be the oldest ancestor of turtles found to date, revealing something about the reptile's mysterious past. Michelle Starr is CNET's science editor, ...
Reuters

Shell shock: Triassic reptile was 'grandfather' of all turtles

WASHINGTON (Reuters) - It looked like an odd lizard with a bulky body and only the skeletal precursor of a shell, but scientists say 240 million-year-old fossils unearthed in a quarry in southern ...