For most of history, the unseen darkness was part of ordinary life. For example, families in medieval Europe slept in two acts—a “first sleep,” then a waking hour to pray, make love, or wander to a ...

On November 24, 1971, a man who called himself Dan Cooper (later misreported as D.B.) hijacked Northwest Orient Flight 305 after boarding in Portland, Oregon with a briefcase that supposedly held a ...