Nuclear explosions release nitrogen oxides that can severely damage the ozone layer. Some models suggest up to a 50% ...

Western civilization arose in Greece in the 8th century BC, when some 1,500 city-states emerged from a murky, illiterate ...

For centuries, Europe has brought the progress of other men to a halt and enslaved them for its own purposes and glory; for ...

History is filled with powerful empires that seemed invincible until they weren't. Between roughly 1250 and 1150 BCE, major ...