As herbivores, Galapagos tortoises munch on grasses, leaves, flowers, and fruits — and are particularly fond of prickly pear ...

But over at Isabela Island, the dominant plant is the prickly pear cactus, a delicacy to giant tortoises. Some biologists have suggested the cactus adapted to this threat by growing taller ...

After hunting, a Nazca booby returns to its nest near a thicket of prickly pear cacti on Isla Wolf. Scientists have been studying the birds elsewhere on the islands to gauge how long-term changes ...

The skincare world is populated with superfoods. And the extract on the rise? Prickly pear. Here, Stylist looks into how this ingredient helps our skin and who should use it. Testing skincare ...