A variety of studies are showing that rough-and-tumble play is important for animals and kids alike.

From giant stick bugs to rarely seen sea creatures, these animal videos fascinated us—and led to new scientific discoveries.

In 1989, paleontologist Darren Tanke suggested that similar breaks were the result of mating as one dinosaur mounted the ...

They’re like living feather dusters whose mouths can see you coming. The simplest animal eyes consist of light-sensitive ...

As habitat loss and invasive predators decimate the Texas horned lizard population, researchers are banking on statewide ...

While the world-famous Inca Trail is undoutedly Peru’s headline hike, the Quarry Trail is a less-crowded alternative that’s ...

Some farmers are betting that consumers would pay more for eggs if they knew the chickens that made them were healthy and well-treated. The hard part is figuring out where your eggs come from. Because ...

Futurist Michio Kaku sees humans doing ballet on Mars and projecting their brains into the cosmos. And aliens? Oh, they're ...

Creativity has long reigned in Swedish Lapland — where the Sámi historically used their ingenuity to survive the cold, dark ...

National Geographic has narrowed down more than a million photos to just 25, naming them the pictures of the year. Here's a look at the images capturing our planet.

The New South Wales government has not ruled out the deployment of troops to patrol Jewish neighbourhoods in Sydney following ...

In this Sept. 28, 2006 file photo, Brigitte Bardot acknowledges applause in Paris as she and Sophie Marceau campaign for ...