All of the weight reductions and aero efficiency gains for the 787 improved fuel economy by 20% compared to the 767, its ...

Find the answer for Toothed whale with a tall dorsal fin from the people who brought you the USA TODAY Daily Crossword Puzzle.

The shark is only the second in history to be observed regrowing a dorsal fin.

While a University of Miami Ph.D. candidate was studying the movement of sharks off the coast of Jupiter, Florida, she also documented a rare phenomenon of a shark regenerating a dorsal fin.

Chilling moment 5ft shark's dorsal fin is spotted just 30 feet from one of Britain's most popular beaches. he 5ft long specimen was observed for 25 minutes feeding in the relatively shallow water ...

Anglerfish earned the name for their unique evolutionary hunting adaptation—a front dorsal fin known as an illicium that functions as a lure. To humans, an illicium may resemble a fishing rod ...

Biology A Wounded Shark Regenerated Its Torn-Up Dorsal Fin, Photos Show Images taken a year apart are the first evidence of fin regeneration in silky sharks.

This very strange looking dorsal fin seen off the coast of Mississippi belongs to a dolphin named Floppy_Valley, according to the The Institute for Marine Mammal Studies in Gulfport, Mississippi ...

China continues its work with high profile aircraft designs, as the so-called J-36 "sixth-generation" fighter continues to mount sorties in the skies above Chengdu.

An adult male silky shark was spotted with a huge chunk of its fin missing. A year later, it had almost completely regrown. Here's the amazing story behind the discovery.

An extremely rare humpback whale with a double dorsal fin has been filmed swimming in Australia. The video, posted by John Natoli to Facebook group Cetal Fauna, shows the whale breaching the ...