At first glance, a shark's skin may seem smooth and sleek. Upon closer inspection however, shark skin has tiny scales called denticles that can help it swim faster in the water. An adult shark has ...

The enormous "superpredators" may have weighed around 68 tons. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The megalodon shark was so big and ...

Plunging into previously charted waters, "Shark Night 3D" (2011) resembles, at first glance, a hybrid of the classic "Jaws" (1975) and last summer's shockingly successful "Piranha 3D" (2010). "Jaws" ...