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Read on to learn more about these fascinating animals. 1. What is a narwhal tusk? The narwhal tusk—most commonly found on males—is actually an enlarged tooth with sensory capability and up to 10 ...

The “super pod” of Risso’s dolphins was spotted in Carmel Bay, off central California’s coast. This species, which can grow to over 10ft long and weigh as much as half a metric tonne ...

Stunning discoveries and fresh breakthroughs in DNA analysis are changing our understanding of our own evolution and offering a new picture of the "other humans" that our ancestors met across ...