After reading about the mega penguins, dive into the story of the megalodon, the largest shark ever to exist. Then, learn about 10 prehistoric creatures that were as terrifying as dinosaurs.
"This is one of the largest penguin species ever found ... The new species, Crossvallia waiparensis, resembles another prehistoric giant penguin, Crossvallia unienwillia, which was found at ...
Satellites watch world's largest iceberg on crash course with Antarctic penguin island (photo/video)
Measuring roughly 1,350 square miles (3,500 square kilometers) across, A23a is the world's largest and oldest iceberg ...
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