Scientists track Antarctic krill via satellite to monitor ocean health amid climate change and fishing threats.

Antarctic fish have adapted over millennia to survive in the freezing temperatures of the Southern Ocean but in doing so have lost their ability to grow at rates seen in their warmer water cousins.

Near the end of the age of dinosaurs, a bird resembling today's loons and grebes dove for fish and other prey in the perilous ...

With its glaciers and sub-zero temperatures, Antarctica hardly seems like a place of refuge. However, the now icy continent ...

The notothenioid fishes that inhabit the Antarctic Ocean have evolved an unusual adaptation to living in icy waters. Their blood contains antifreeze proteins that prevent ice from growing within ...

Scientists have made an exciting discovery—a 69-million-year-old fossil found in Antarctica is the oldest known modern bird.

Learn more about Vegavis iaai, an ancient ancestor of modern-day ducks, and one of the earliest modern birds ever discovered.

Vegavis appears to have been ecologically specialized to pursue fish and other prey underwater in a shallow marine ecosystem. Antarctica at the time was not the desolate land of snow and ice that ...