A recently arrived alien intelligence is all around us, but don't run for the hills just yet—for all its smarts, it's actually pretty dumb.
Ancient DNA adds new elephant species to the mix.
The partisan divide faithfully reflects the stark political choices facing Americans—and that's probably for the best.
The clutch of babies were likely still inside their eggs.
But if we act now, conservation efforts could save "billions of years of unique evolutionary history," scientists say.
Rabbits have evolved numerous beneficial adaptations and behaviors over time, which have helped them to survive the threat of predators.
Elephant skin is covered in an intricate network of minuscule crevices that retain water and mud, providing a number of benefits.
Discovery that octopuses react in same way to drug as humans indicates there is an ancient evolutionary pathway promoting social behavior.
Humans were butchering giant animals on the island more than 10,000 years ago.
Among the earliest fossils, one marine creature has long baffled scientists.
Tree shrews are a small mammal species native to southeast Asia.
The Gaia hypothesis proposes that life, through its interactions with the Earth's crust, oceans, and atmosphere, produced a stabilising effect which has enabled it to survive under conditions which would have wiped it out on non-regulating planets.
The ancient skull fragment is "a unique opportunity to learn more about the biology and diversity of our ancestors and their relatives and, ultimately, about their evolution."
"This was one strange-looking fish."