Gentoo penguins in Argentina are breeding earlier as rising temperatures and deadly heat waves threaten vulnerable chicks.

Antarctic penguins are being forced to breed earlier due to rising temperatures, a phenomenon that poses a significant threat to two species facing extinction by the end of the century, a new study ...

A new study indicates that the adaptable birds evolved into distinct lineages as isolated populations shifted to match their ...

WASHINGTON — The warming world has disrupted the timing for plant and animal reproduction, and it's usually bad news for species that depend on each other — like flowers blooming too early and ...

There are just 15 breeding pairs returning to nest at Manly each year, and the population is stubbornly refusing to grow.

Scientists Discover a New Penguin Species That Was Hiding in Plain Sight for Over a Century ...

WASHINGTON (AP) — Warming temperatures are forcing Antarctic penguins to breed earlier and that’s a big problem for two of the cute tuxedoed species that face extinction by the end of the century, a ...

WASHINGTON — Warming temperatures are forcing Antarctic penguins to breed earlier and that's a big problem for two of the cute tuxedoed species that face extinction by the end of the century, a study ...