A, the world’s oldest and largest (about the size of Rhode Island), may hit South Georgia Island, home to vulnerable penguins ...

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 ...

Our 21-day expedition cruise on the Seabourn Pursuit came with excursions throughout Antarctica, Falkland Islands, and ...

An enormous chunk has broken off the world's largest iceberg, in a possible first sign the behemoth from Antarctica could be ...

We know what highway we’re taking the next time we visit Antarctica — the one that a group of penguins travel each and every ...

These images from the Smithsonian Magazine Photo Contest show just why penguins have waddled into our hearts ...

Scientists have successfully analyzed more than 30 years of vital data on the thickness of landfast sea ice in Antarctica's McMurdo Sound, which will prove useful to measure future impacts of climate ...

Measuring roughly 1,350 square miles (3,500 square kilometers) across, A23a is the world's largest and oldest iceberg ...

The world's biggest iceberg is drifting toward a tiny south Atlantic island, potentially affecting the wildlife there, ...

Antarctica, often regarded as the planet's last true wilderness, harbors unique ecosystems that support extraordinary ...

The world's biggest iceberg -- more than twice the size of London -- could drift towards a remote island where a scientist ...

The biggest iceberg on Earth is heading toward a remote island, creating a potential threat to penguins and seals inhabiting ...