Underwater drones usually use electric motor propeller drives. Researchers now want to eliminate their disadvantages with an artificial fish fin.

Every summer, World War II veteran Kenneth Rehm’s five children, 12 grandchildren and 10 great-grandchildren look forward to ...

Pick Up Pennsylvania offers volunteers an opportunity to help keep their communities clean and free from litter.

A new California bill may decide the future of mining on the San Joaquin River regardless of how Fresno County supervisors ...