Add Yahoo as a preferred source to see more of our stories on Google. The Panama Canal carries cargo ships between the Atlantic and Pacific oceans, cutting weeks off shipping time. Danny Lehman/The ...

A vital waterway connecting the Atlantic and Pacific oceans, the Panama Canal relies on fresh water supplied by a reservoir to raise and lower the locks that allow the transit of thousands of ships a ...

A water shortage forced officials to reduce traffic, but higher fees increased revenue. By Peter Eavis Low water levels have forced officials to slash the number of ships that are allowed through the ...