Science news articles about 'migration theory'

... to be a big surprise for many archaeologists and linguists on whose studies conventional migration theories are based. These population expansions had nothing to do with agriculture, but were most ...

EDMONTON, Alberta, Oct. 22 (UPI) -- Canadian scientists are questioning whether dinosaurs actually traveled as far as thought while making their biannual migrations.

... bridge but the question is open." Evidence to support the coastal migration theory is particularly hard to find because sea levels at the time were about 200 feet lower than today. ...