Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient world slept only 6.5 hours a night.
Thai authorities have made travel by public transport in Bangkok free for a week starting Saturday, the latest tactic to try to tackle soaring levels of air pollution that have already seen hundreds ...
A fragile cease-fire in Gaza, a lantern festival in China, a rare snowstorm along the American Gulf Coast, a comet in the sky above Uruguay, and much more.