A double Taliban suicide attack Friday that killed 66 paramilitary police recruits represented the deadliest terrorist strike in Pakistan since the killing of Osama bin Laden. It sent a strong signal that militants mean to fight on and to try to avenge the al-Qaida leader.

Biggest earthquakes. The recent earthquake and aftershocks in Japan have once again thrust the destructive power of these natural disasters into the headlines. The following quakes have captured the attention of the world and remind us that Mother Nature is a powerful force.