By the time Jessie reached the vet, we had already started preparing for puppies. Her belly looked full. Her mammary glands ...

For a blue mussel, a good meal does not come entirely without risk. Blue mussels feed by filtering microscopic algae from seawater. But some unwelcome guests can slip in along with their food. Tiny ...

Over four years the crew logged 1,400 filming days across 52 shoots – the longest-ever continuous filming of lions in the ...

In nature, the ability to change color can be key to survival. Vision is a very important sense in much of the animal kingdom ...

This social behavior might reveal the evolutionary roots of traits that underlie pet-keeping in humans, scientists say, from ...

We aren’t the only animals that like to take care of other species. A new study finds that the roots of keeping a pet may ...

For many people, a trip to the zoo is a chance to watch playful otters dart through the water and chatter with one another.

This behaviour may shed light on one of the defining features of our own species: our extraordinary relationships with other ...

Spending time with pets can help youth refine their social skills and learn how to handle emotions, according to recent ...

If a monkey climbs onto a deer and sprawls across its back, perhaps it is simply an odd, one-off encounter. Then another monkey carefully grooms a dog. Elsewhere, a group accepts a baby from another ...

You were taught that wolves fight to the death for control, that penguins mate for life like tiny tuxedoed romantics, and that male lions are the deadbeat dads of the animal kingdom. Almost none of ...

Most people look at the squirrels in their yard and see a bundle of chaos – something knocking over the bird feeder, digging up the flower bed, or racing up a tree for no obvious reason. The truth is ...