The great unbreakable rule is supposed to be that no country can change another nation's borders or government by force.

A severe three-year drought helped bring about a "barbarian" invasion of Roman Britain in A.D. 367, a new study finds. In ...

"A sequence of severe summer droughts from 364 to 366 not only contributed to prolonged harvest failures and food shortages, ...

Researchers from the University of Pisa analyzed 523 insect-based food products sold online in Europe, evaluating their ...