The sand tiger shark is a natural born killer and takes sibling rivalry to a whole new level of cut-throat.
To interpret a barrage of information, sharks have developed a relatively large and complex brain...
These unique sharks have heads resembling flattened, T shaped hammers. But how would such a weird head evolve?
What's the most ferocious aquatic creature? The answer may surprise you. "Ferocious Fish" on this Moment of Science.
Ridges help sharks in the water, but shark-skin suits don't help Olympic hopefuls. So why did so many swimmers wear them at the Olympics?
On this Moment of Science, learn how statisticians figure the odds.