(opens in new tab) A never-before-seen ecosystem lurks in an underground river deep below the icy surface in Antarctica. Researchers recently brought this "hidden world" into the light, revealing a dark and jagged cavern filled with swarms of tiny, shrimplike creatures.

WELLINGTON, New Zealand - New Zealand's government took drastic action Tuesday by putting the entire nation into a strict lockdown for at least three days after finding a single case of coronavirus infection in the community.

The remains of a giant penguin the size of a human have been discovered in New Zealand. The fossilised bones are of an animal thought to have been about 1.6m (5ft 3in) tall, weighing up to 80kg (176lb). It lived in the Paleocene Epoch, between 66 and 56 million years ago.