Rescuers flew over stretches of ice-covered seas and scoured miles of frozen tundra Friday for any sign of a plane that went missing while carrying 10 people in western Alaska just south of the Arctic ...

The Bering Air Caravan was heading from the village of Unalakleet to Nome — a distance of about 150 miles — when it ...

Searchers flew over stretches of ice-covered seas and scoured miles of frozen tundra Friday for any sign of a plane that went ...

Researches have determined that ejecta from an ancient asteroid. strike carved out the grand canyons (Vallis Schrödinger and ...

Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...

New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons ...