Assume we can make new thylacines, mammoths, diprotodons, or sabre-tooth cats. Great. Now where do we put them?

Anesthesia causes animals and humans to lose consciousness. A study found it has a similar effect on Venus flytraps.

Can a non-native species be a friend instead of a foe?

Salk scientists studied complex decision-making capabilities in a worm with just 302 neurons and a mouth full of teeth. It's smarter than you would think.

Scientists at the San Diego Zoo are on a mission to resurrect the extinct northern white rhino.

Head direction cells act like internal compasses to help the birds navigate during long flights.

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.

The insects were just as accurate as trained dogs, although not as cuddly.

Local researchers identify a striking rainbow-colored fairy wrasse found off the coast of the Maldives as a fish species all its own.

The A.I. system could improve the lives of commercially raised pigs.

Two aspects of memory – fast updating and long lasting – are typically considered incompatible, yet the insects combined them.

The human brain is only the latest chapter in the ancient story of thinking on Earth.

A gigantic bacterium evolved differently than fundamental models of biology would have predicted. Simply put, these bacteria shouldn't exist.

Scientists captured it on footage 1.5 miles below the surface.

About 150 million years ago, a long-necked sauropod came down with a respiratory infection. The rest is history...or is it? 

Many animals practice what looks like self-medication. A new report suggests that chimps tend wounds with insects, often treating each other.

The story of dog domestication is one of converting the wild wolf into man's nicer, smarter, best friend. It might be all wrong.

Elephants mourn the dead, dolphins give names to each other, and insects can recognize faces. The animal world is much smarter than we think.

Admit it: you have no idea why a group of crows is called a murder. Here's why.

With around 5,000 summertime residents, increased tourism, and a warming planet, it is becoming difficult to protect Antarctica from invasion.

From 1974 to 1978, the chimps of Gombe Stream National Park in Tanzania were at war with each other, the first time conservationists saw chimps engage in calculated, cold-blooded killing.

∆G = ∆H - T∆S is one of the most abstract formulas in science, but it is also one of the most important. Without it, life cannot exist.

Tusks suddenly became a liability, even though in natural circumstances, tusks are very useful.

Life largely owes its existence to this equation. Be sure to hug your house plant today.

Pando, which is Latin for "I spread," is a single organism spanning some 106 acres.

A new snake becomes Instagram famous after its accidental discovery by a graduate student going on a nature walk in northern India.

Genetic profiles of many dog breeds appear as if siblings mated.

Forget little green men: These scientists say we should be more worried about little green germs.

No oxygen? No problem.

Purely physical and chemical processes can deceive us into thinking that life is present, when it actually is not.