A colossal explosion in the sky, unleashing energy hundreds of times greater than the Hiroshima bomb. A blinding flash nearly ...

YR4, which was recently spotted in the cosmos with a non-zero chance of hitting Earth in the coming years, may have caused some alarm.

Scientists are keeping close watch on the space rock. It is estimated to be 130 to 330 feet (40 to 100 meters) across.

Air travel accidents in sports are rare, but they have had devastating impacts on national programs, amateur teams and ...