For humans and most vertebrates, life depends on a single heart pumping blood throughout the body. In this slideshow, we’ll ...

Mount Everest is known as the tallest mountain in the world. But scientists have made a surprising discovery there.

Centuries before the Inca emerged, Amazonian parrots were carried alive across the Andes and raised in captivity on Peru's coast for their vibrant feathers.

This octopus can brood its eggs for nearly four years without eating. Here’s how this biological extreme has reshaped how ...

Animals are forming lasting social bonds with different species, engaging in cooperative hunting and peaceful companionship. Research suggests these cross-species relationships stem from cognitive ...

According to the data considered by its authors—a team from the University of Sussex (UK) and Lund University ...

To meet global food demands, aquaculture — the farming of aquatic creatures like fish or shrimp — is on the rise. However, productivity in the industry is still limited due to early-life bottlenecks, ...

With the backing of animal welfare NGOs, a Mexico lawmaker has introduced legislation that would ban octopus farming in Mexico.

A tiny fish has shown signs of a remarkable level of intelligence in mirror test experiments, not only recognizing itself in ...