Available for iPhone and iPad, these apps deliver synchronized, behind-the-scenes material while you watch.
Female southern elephant seals from an island between South Africa and Antarctica are skipping the traditional harems and finding equal opportunity for love at sea.
Underwater photographer Francis Perez captured detailed images of the rarely seen enigmatic smalltooth sandtiger shark.
"Tegon" glows bright green under ultraviolet light in a feat that could eventually help scientists track diseases.
Stress levels of both masseuses and their subjects are lowered after the quality time together, research finds.
For the gadget lover who has everything -- and doesn't mind bugs.
Some dogs were domesticated by 33,000 or more years ago, but the Ice Age disrupted the process.
Authorities fear that the lethal Hendravvirus has jumped species.
Pork, farm-raised salmon, chicken and turkey are all on a par when it comes to greenhouse gas emissions, but pigs are in a category of their own when it comes to environmental impact.
Seeing chimps in entertainment may jeopardize their endangered status.