Authorities said Wednesday that the crumbling mine was complicating efforts and endangering the workers searching for ...

Pennsylvania State Police troopers found this sinkhole while searching for a missing woman; Pennsylvania State Police (UNITY ...

The Supreme Court recently declined to hear a case that civil liberties groups hoped might stop prolonged, warrantless ...

Using one spacecraft to block the Sun and another to observe, the pair will fly in tandem with millimeter-level precision.

Authorities fear a woman in Pennsylvania who disappeared while looking for her cat may have been swallowed by a sinkhole.