In a type of relationship known as mutualism, two different species benefit from one another through cooperation. While some ...

Logically speaking, you would think that animals who appeared to be the same – even if they were found in different parts of the world – would belong to the same species, and that they would share the ...

Picture an “animal” in your mind right now. What does it look like? A dog? A lion? Maybe a sloth, pangolin, naked mole-rat, or even just a human? There’s a good chance that you imagined a mammal, ...

In the penultimate episode of Crash Course Zoology, we use everything we've learned so far to try and figure out what a "species" even is anyway! As you'll see, the incredible diversity of animals ...

Pack animals are fascinating studies, demonstrating complex social relationships, strategic survival skills, coordinated hunting abilities, and protectiveness of each other. Watch this video to learn ...

One of the biggest quests in biology is understanding how every cell in an animal's body carries an identical genome yet ...

From polygamous tree toads to heavy stick bugs, this year’s extensive new species discoveries are changing the way we see our ...

Over 70 new species, from insects to dinosaurs, were identified in 2025 by combining fieldwork, museum collections, and ...

Eat almost anything. Sleep almost anywhere. These, it seems, are the secrets to surviving in the city as a wild animal. Among the species that dominate urban spaces—pigeons, cockroaches, rats, ...

Find out which animals live the longest and what clues this gives us for potentially slowing down human aging.

The scientists analyzed nearly 71,000 wild animal species — from corals to reptiles, insects to mammals — assessed by the IUCN Red List and categorized them according to climate-related threats they ...