One of the few animals able to photosynthesize, this tiny invertebrate acquires chloroplasts by munching on Avrainvillea, a ...

Archaeologist Anaëlle Jallon of Hebrew University of Jerusalem and her colleagues examined dozens of animal bones from both ...

We know that some animals are bilaterian—meaning they display bilateral symmetry—while others are not, but nature is rarely so black-and-white.

Outdoors Onlookers capture incredible video as massive sea animal wanders into bustling community far from shore: 'He's huge' "Gordy" disrupted traffic with some substantial heft.

The deep sea is a place where light is precious, and the creatures that live there have turned glowing in the dark into an art form. Each of these twelve animals has found a unique way to use ...

How do sea turtles lay eggs, and how do the hatchlings get to the sea? What happens next? Read more to find out.

Mom of YouTuber Mikayla Raines remembers her daughter's relentless fight to save animals "She made such an impact, even though she struggled so much," Sandi Raines, Mikayla's mother, told USA TODAY.

Officials with the North Carolina Wildlife Federation said they’re at risk of being lost forever due to rising sea levels and habitat loss from farming.

Sea spiders—with the help of other deep ocean-dwelling animals—are doing their part to keep these gases locked away in the ocean, so they don’t reach the atmosphere and exacerbate the ...

The footage from a Northern California photographer revealed a rare species in broad daylight at Lassen Volcanic National Park.