Some Dinosaur Eggs Took Six Months or More to Hatch Using embryonic tooth age, researchers have concluded that dinosaur eggs took twice as long to hatch as bird eggs. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Europe's largest science festival unveils its 2018 programme in landmark yearSpaceX core landing: Did Falcon Heavy rocket core land?Elon Musk net worth? How much money does SpaceX and Tesla founder have?SpaceX launch: Middle booster fails to land on drone ship - what happened?New SPACE RACE on cards as SpaceX founder Elon Musk challenges rivals to BEAT himAsteroid DOUBLE size of devastating Chelyabinsk meteor to skim Earth THIS WEEK