A rock shaped like an arrowhead on Mars, displaying intriguing features, could reveal clues about ancient microbial activity.

An arrowhead-shaped rock on Mars sporting features that may hint at ancient microbial activity on the Red Planet has left ...

Chipping away at the flint a tiny piece at a time, the Neolithic person “painstakingly” carved the piece into an arrowhead. Now, that arrowhead was just discovered. “Our Milton Keynes team ...

The itty bitty town of Arrow Rock is another such example. Located in central Missouri along the banks of the mighty Missouri River, the village is part of a National Historic Landmark.