A plan to bullpen their way to a win backfired, and Jorbit Vivas' baserunning blunder further cost the Yankees in Friday night's loss at Atlanta.

Before bats could fly, they used hand-like limbs. Scientists now reveal how evolution transformed those hands into wings.

Costa Rica is home to 117 bat species—nearly 8% of the world’s total! From leaf-tent builders to fish catchers and even ...