Missing Long Island teen Thomas Medlin was caught on surveillance video walking on the Manhattan Bridge — moments before the cameras recorded an ominous splash in the East River, Suffolk County police ...

Jezero Crater on Mars was once home to a lake, delta and rivers. See an animation of what it could have looked like when water poured into the crater billions of years ago and present day. Credit: ...

James Cameron's "Avatar: Fire and Ash" picks up where "The Way of Water" left off. The Sully family is hiding as they deal with the loss of son Neteyam (Jamie Flatters). When they take Spider (Jack ...