Opalescent baby squid have "midwives" to bring them into the world. Squid eggs wait in gelatinous orbs to hatch. Capitella ...

Secrets of the Penguins cinematographer, Bertie Gregory, shares the memorable moment he filmed baby penguins leaping from a 50-foot cliff with PEOPLE.

A one-foot-long juvenile squid was spotted swimming in the waters around the South Sandwich islands. The footage is ...

This story appears in the May 2019 issue of National Geographic magazine ... Yet fish populations around the world, and the animals that eat them, depend on just how many larval fish make it ...

For "Earth Day", the National Geographic documentary series "The Secret World of Penguins", produced by Oscar winner James ...