Life expectancies in nature can vary drastically. Dogs live such short lives compared to their human companions, while the longest-living invertebrate, the Greenland shark, can outlive generations of ...

WASHINGTON -- More than a dozen animals live longer than we do. A new study estimates that at least one Greenland shark lived about 392 years, making it the longest-living animal with a backbone. Here ...

Aging brings about a range of changes—often unwelcome—to our bodies: sagging skin, graying or thinning hair, and a decline in muscle strength and vitality. But aging also affects us on the inside, ...

We tend to think of animals as short-lived, especially when we compare their lifespans to human lifespans. But some species ...

A new analysis of the eyes of some of the longest-lived animals on Earth could provide molecular clues about long-lasting vision. A team of researchers from the US, Switzerland, and Denmark has now ...

Giant tortoises are some of the long-lived species on the planet. Here’s what biologists now understand about one of nature’s most impressive longevity experiments. Giant tortoises are redefining what ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. The naked mole-rat lives far longer than any rodent should.