Oarfish are rarely documented by scientists, but one was seen this month by a group visiting a beach in Mexico.

A rarely seen oarfish appeared in shallow water in Baja California Sur, Mexico, on Feb. 9, surprising beachgoers. The ...

A terrorizing presence since the 1980s, Gustave has lurked in the shadows for well over a decade. Now, a herpetologist dives ...

Scientists have been shocked to find sharks appearing in freshwater rivers—far from their usual ocean habitats! But how is this possible? Are sharks adapting, migrating, or is something else causing ...