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Biodiversity
It is generally ineffective, occasionally poisonous, and driving numerous species to the brink of extinction.
Genetic profiles of many dog breeds appear as if siblings mated.
Embark on a journey through one of the most profound ecological transitions in the history of complex life.
Rich data on the global state of our feathered friends presents plenty of bad news — but also some bright spots.
"Superhabitable" planets might be real, but Earth is probably as good as it gets.
The cycles of life all rely on the dynamism of the Earth's crust.
An un-crewed sailing drone discovered the unusually shaped, slumbering seamount.
Frozen adversity set the stage for an explosion of diversity.
All human development, from large cities to small towns, shines light into the night sky.
Deep underwater, temperatures are close to freezing and the pressure is 1,000 times higher than at sea level.
Darwin missed an amazing example of evolution.
Two populations that are geographically separated today once mated a very long time ago.
According to Peter Ward's "Medea hypothesis," photosynthesizing organisms regularly doom most life on Earth by over-consuming carbon dioxide.
Slimy biofilms made up of bacterial and eukaryotic life forms have taken over an abandoned, flooded uranium mine in Germany.
A toxicologist explains the impacts of antidepressants on fish — and no, they're not getting any happier.
Ancient bones reveal that domesticated felines were at home in Pre-Neolithic Poland around 8,000 years ago.
Communication among cetaceans, like whales and dolphins, looks especially promising.
Carnivores, herbivores, omnivores — and now virivores.
If dogs are out in coats and boots, how are the squirrels feeling?
Passing chunks of ice can fertilize ocean waters and play a role in the planet’s carbon cycle.
Evolution repeatedly hit upon this solution simply because it works.
Merely 256 genetically engineered mice could make an island's pest population go extinct.
De-extinction, if it is ever possible, will not be simple.
The dating pool is small — no pun intended.
We want to fight invasive species. But to wage a war, you have to know who your enemy is.
One possible vision of the distant future.
All American and European eels originate in the same place.
Unfortunately, the Lunar Ark project is an idea more at home in science fiction than science fact.
NASA is creating a planet habitability index, and Earth may not be at the top. With our current data, ranking habitability is guesswork.