More than two decades after their discovery, mysterious underwater structures off the coast of Cuba have resurfaced in online discussions, reigniting long-standing debates over their origin — and ...

When Isabella Cavallo was in college, she started having a series of panic-inducing dreams. “I had so many nightmares about getting kidnapped or running away from a stranger who was trying to attack ...

In 2013, the president of Rwanda asked us for evaluation results from across the continent that could provide lessons for his country’s policy decisions. One program tested in Kenya jumped out, and ...