Cytosine base editing is crucial for modeling human diseases in zebrafish. Here, the authors present zevoCDA1 and zevoCDA1-198, optimized editors that improve editing efficiency and precision ...

Let's put your animal knowledge to the test. Take our quiz and see if you can identify the scaly critters and furry mammals featured in our close-up photos.

Animals are remarkable architects. Their nests, tunnel systems and caves are perfectly designed, and some of their structures are thousands of years old. Here are just a few examples of their ...

The third-largest outbreak in history of the deadly Marburg virus was sparked by a single jump of the pathogen from an animal to humans, preliminary genomic evidence shows. The outbreak began last ...

“To our knowledge, it is the first time that animal life has been discovered in the ocean crust,” Sabine Gollner, a marine biologist at the Royal Netherlands Institute for Sea ...

When life seems a little too serious, there's nothing like animal jokes to make you roar (or hoot or howl) with laughter I’ve been a stand-up and improv comic for 30 years, and I know for a fact ...

The Earth is home to some amazing animals, and many of them are well-known. Everybody knows how quick cheetahs are, how big elephants can grow, and how adorable chipmunks can be. But there are some ...

We can study animals from all over the world thanks to science, but what about those that no longer exist? The list of extinct mammals could go on for ages, but each animal has a unique story. With ...

Wild animals also experience adversity. Although their negative experiences are easy to dismiss as part of life in the wild, they still have lifelong repercussions – just like traumatic events ...

But what about the rest of the animal kingdom–how do non-human animals understand and respond to death? The answer depends on species, individual, and circumstance. “There’s a wide variety ...

Cute features in babies and animals are more than just amusing—they trigger powerful evolutionary responses that help our species’ survival. Moo Deng, the baby pygmy hippo that has become ...