New research shows that birds investing more energy in reproduction age faster and live shorter lives than those investing less.

A strange spiny frog with a bright red belly has been discovered in the Ecuadorian Andes, baffling scientists.

In the aftermath of Earth’s most catastrophic extinction event, one unlikely survivor rose to dominate a shattered world: ...

Each spring our region is visited by flocks of sandhill cranes. Their arrival is heralded by the sounds of these birds’ ...

Naked mole rats keep kingdoms underground. One queen bears all the children, while others maintain complex subterranean ...

When their queen dies, naked mole rat females usually wage bloody battles of succession. But peace may be possible, a new ...

Between 280 and 200 million years ago, a group of animals evolved which would eventually give rise to mammals, including ...

Unusually well-preserved fossils have provided the earliest known evidence of a land vertebrate that could pump air in and ...

Most oncologists say they would prescribe hormone therapy to cervical cancer patients who experience early menopause from radiation treatment, but barriers are keeping many from doing so in practice, ...

Predators tend to target young animals because they are easy prey. If young are born asynchronously, predators can eat a ...