Campanella participated in "The Final Experiment," an expedition conceived by Will Duffy, a pastor from Colorado, aiming to end the long-standing disputes about the shape of the planet.
Around 90 million years ago, climatic conditions in Antarctica were suitable for resin-producing trees, allowing them to grow and survive.
This is the first recorded sighting of an emperor penguin in Australia, experts say.
The wreck of Sir Ernest Shackleton's last ship, Quest, was found off Canada's coast, 62 years after it vanished, using sonar scans by the Royal Canadian Geographical Society.
Scientists have warned that the impact of the bird flu on Antarctic wildlife could be "immense."
Researchers found about 35 penguins dead in the Falkland Islands on Jan. 19.
It's likely the polar bear was infected after scavenging dead birds, according to local officials.
In October, the first ever recorded case of bird flu in the Antarctic region was detected in brown skua birds.
A recent study uncovers the unusual sleeping habits of penguins, emphasizing we still have much to learn.
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