Bono also admits that even though U2’s stirring performance has been decreed a pinnacle of Live Aid, he can’t bring himself to watch it. “It was such a bad hair day,” he recalls.

Scientists have discovered the farthest-ever 'mini-halo,' a sea of charged particles around a distant galaxy cluster that could reveal unexpected insights about the ancient universe.

Bracken Cave, located just outside San Antonio, Texas, becomes a nightly spectacle every spring and summer. As the sun begins to set, millions of bats take to the sky, creating an awe-inspiring ...