Hummingbirds have high metabolisms, but what's even more surprising is the metabolism rate of their hatchlings.

Cardiac macrophages in newborn mice promoted heart cell proliferation after injury, offering a potential approach to ...

When we think of hummingbirds, speed is often the first thing that comes to mind. These fast-flying birds are practically hyperactive in their behavior, with the metabolism to prove it. Hummingbirds ...

Tigers and monkeys and tapirs, oh my! Joel Sartore's latest book, "National Geographic Photo Ark: Babies," captures the ...

Shhhhh, there’s a meeting in progress! People online couldn’t stop laughing at the way that two Golden Retrievers gathered ...

Back at the beginning of March, a tiny goat named Mouse was born, along with her sister and three brothers. Mouse was the ...

Doctors recommend keeping babies away from crowds within the first month, but every parent has their own risk tolerance level ...

In a clip posted on TikTok in January, Lucyfur, an orange cat, can be seen standing near the stuffed dachshund, which she had ...