Like its predecessor, “Gladiator II” is inspired by history. That doesn’t mean it’s bound by actual historical facts, however. Now in theaters, Ridley Scott’s follow-up to his 2000 epic “Gladiator” ...

Marine archaeologists have uncovered a rare Roman-era helmet from the bottom of the Mediterranean Sea that was lost during an ancient naval battle in 241 BC. The military helmet, in an “extraordinary ...