LOS ANGELES -- In order to keep up with the animals and tell their story, the "Animals Up Close With Bertie Gregory" crew had to push themselves to the limits. As a wildlife filmmaker and National ...

Removing trees deprives the forest of portions of its canopy, which blocks the sun’s rays during the day and retains heat at ...

Cockroaches that catch a ride on ants. Grasshoppers that climb aboard sheep. Hitchhiking animals are more common than you think. A classic example of phoresy, the remora uses a modified fin that ...

A female Thomson's gazelle and her calf look across the plains after surviving a jackal attack. As parents, we can often make so many decisions through the day. We then usually doubt the decisions ...

In the rugged terrain where Mexico and the United States meet, a border wall is just the latest obstacle fragmenting habitats and disrupting migration paths. Here’s how a cadre of conservationists is ...

Although sharks aren’t the mindless man-eaters they are sometimes made out to be, experts know that staying safe involves skill, knowledge, and practice. Host Bertie Gregory filming a ragged tooth ...

Photojournalist Ami Vitale followed Przewalski’s horses—once declared extinct in the wild—on a 2,000-mile journey back to their ancestral home. (And only one tried to escape.) Przewalski's horses once ...

For more than 60 million years, penguins of all kinds—including the opportunistic Magellanic penguin—have been driven by an evolutionary urge to reach beyond their boundaries. Today, many are ...

Cosmonauts Oleg Artemyev and Sergey Prokopyev successfully installed the first ICARUS experiment antenna on the outside hull of the International Space Station during a nearly eight-hour space walk in ...