The phenomenon of tonic immobility helps researchers study sharks, but does it also help orcas hunt and kill them?

Here we see a simulation of how the attack happened, and find out what effect it had on the population of great white sharks around the Farallon Islands.

How do sharks communicate? Particularly, how would the sharks around the Farallones all know exactly when to evacuate? Scientists who are working on "shark repellent" may have an explanation.

Although no one will ever be completely certain why it occurred, many things have been learned about both species from the attack.

National Geographic filmed South African penguins in their natural habitat. One penguin turns to crime in order to furnish the nest and keep his mate happy.

The birth cycle of kangaroos, affectionately called “roos,” is the subject of this video from National Geographic.

Within a deep and narrow cave in South Africa, paleoanthropologist Lee Berger and his team found fossil remains belonging to the newest member of our human family. The Homo naledi discovery adds another exciting chapter to the human evolution story by introducing an ancestor that was primitive, but shared physical characteristics with modern humans.

Many secrets remain surrounding the creation of Stonehenge. Archaeologists try to unravel the mystery.

Ellis Island, the U.S. gateway to immigration from distant lands, has been reopened to visitors, following significant damage from Hurricane Sandy. A visit there, and to the nearby Statue of Liberty, can be emotional, even for those born in the U.S.

What actually are planets, asteroids and dwarf planets? Here, Dr. Robert Hurt from the Spitzer Science Center in California, touches upon this intriguing question. In addition, he addresses the status of Pluto and how it recently came to pass that, what was once considered our solar system's most distant planet, has recently been demoted and... why? Enjoy!

After a seven-month journey, NASA’s Perseverance Rover successfully touched down on Mars on February 18, 2021. In this video, mission controllers at NASA's Jet Propulsion Laboratory in California celebrate landing NASA's fifth rover on Mars.

In a series of short interviews from the Hawaiian island of Maui, we learn about the sport of kitesurfing. Get a glimpse of athletes competing in the Naish Blackbox high-jumping competition.

This clip about kiteboarding reveals what makes this sport so attractive and what everyone really longs to achieve in it. Video provided by Naish Kites

Kite boarding is a sport with many facets. Enjoy some of them with these fun pictures of the Naish Summer Kite Race Series on the beautiful island of Maui. Video provided by Naish Kites

Enjoy more beautiful scenes from Maui at the Naish Summer Kite Race Series. Hear about the sport’s rising popularity and learn of its possible future as an Olympic sport. Video provided by Naish Kites