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Biodiversity
Tracing the origin and development of jaws — and other anatomical features that humans share — sheds some light on how we came to be.
Many animals engage in “zoopharmacognosy” or self-medication.
This pup puts us one step closer to resurrecting extinct species.
Pando is a stand of aspen in Utah that is 14,000 years old and weighs 12 million pounds. Humans threaten to end its long reign.
Since our arrival, humans have driven a seven-fold drop in the mass of wild land mammals.
Was our distant ancestor a biped or not – i.e., human or not human?
Sex can be a death trap even for modern toad and frog species.
The 557-million-year-old specimen challenges the theory that animal body plans were laid out in the Cambrian explosion.
Human beings are descendants of these early tetrapods – at least those who made a new life on land.
The zebras were originally part of a newspaper tycoon's private zoo. Now they roam the San Simeon grasslands, growing in numbers.
Livestock now outweighs wild mammals and birds ten-fold.
Scuba divers often appear to be swimming through a calm and muffled universe. This couldn't be farther from the truth.
Genetic analysis reveals that a specimen collected in 2019 is the same subspecies as one caught more than a century earlier.
There’s an enormous evolutionary advantage for flamingos to stand on one leg, but genetics doesn't help. Only physics explains why.
All marbled crayfish descended from a single clone discovered in Heidelberg, Germany in 1995.
It's not about leaves in tall trees.
This marks a historic moment in humanity’s relationship to the planet.
Disgusting behavior is often crucial to survival.
Two types of leaves for two different drastic weather conditions.
There may be thousands of undiscovered mammal species in the world. Most are small, like bats and rodents, but there could be primates, too. A lifeline for Bigfoot enthusiasts?
Assume we can make new thylacines, mammoths, diprotodons, or sabre-tooth cats. Great. Now where do we put them?
Can a non-native species be a friend instead of a foe?
Syllipsimopodi bideni is small (about 12cm in length), has ten arms, suckers, fins, and a triangular pen of hard tissue inside its body for support.
Local researchers identify a striking rainbow-colored fairy wrasse found off the coast of the Maldives as a fish species all its own.
Gigantic ranges called "supermountains" formed twice in Earth's history, and they may have had a profound influence on evolutionary history.
An ancient continent called Balkanatolia rose and fell in the area in and around what is now the eastern Mediterranean.
The world’s great whales aren’t just vulnerable where they congregate, but everywhere they roam.
Planet Earth has been around for over 4.5 billion years, but humans? For 99.998% of our planet's history, humans were nowhere to be found.