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The quest for Bigfoot and other “hidden species” can actually aid real-world species.

Wolves and polar bears are great, but so are bats, fish, plants and invertebrates (among others worthy of our attention).

Since it first turned up in 2007, white-nose syndrome has killed millions of bats — and it’s not done yet.

Highly trained military dolphins have been dispatched to round up the last 30 vaquita porpoises and (hopefully) save the species from extinction.

They may not be the most charismatic group of species, but we can learn a lot from the lowly snail.

Research into the frog-killing chytrid fungus earns a Golden Goose Award, recognizing the value of federally funded science.

Here are five ways to help to make the world a more diverse — and more just — place.

Southern Resident killer whales have a shortage of food and an overdose of deadly pollutants.

A new book argues, unconvincingly, that biodiversity is actually increasing.