Animals

Dog urine conveys an array of information, including its owner's sex, age and reproductive status

Why Small Dogs Go Above and Beyond to Mark Their Territory

Tinier males tend to lift their legs at higher angles, perhaps to exaggerate size and competitive ability

After Being Stolen in Baby Stroller, Miss Helen the Shark Is Back at San Antonio Aquarium

Two men and one woman are suspected of swiping Miss Helen in a planned heist

One of the meg's fearsome teeth, shown here in this extreme close-up.

The Real Science Behind the Megalodon

As <I>The Meg</i> hits theaters, dive into what we <i>really</i> know about this chompy predator

The New Zealand Tomtit is one of the island-dwelling species included in the study

Why Island Birds Have Bigger Brains Than Their Mainland Counterparts

Researchers measured the brain sizes of 11,554 birds, including representatives of 110 island-dwelling species and 1,821 continental species

Balding on the lemurs' lower backs indicated frequent itching and scratching associated with rashes caused by a common pesky parasite.

Lemurs Smear Bugs on Their Privates to Ward Off Infection

Lathering up with orange goo from millipede guts might relieve infections, expel parasites in lemurs

The Morne du Tamaris Colony in happier days in 1982.

World's Largest King Penguin Colony Suffers an 85 Percent Crash

The Morne du Tamaris Colony on Île aux Cochons has dropped from 2 million to 200,000 birds over 30 years

Researchers claim that they "defrosted" two ancient nematodes, which began moving and eating. If the claims hold up, it will be a scientific discovery for the ages

Ancient Roundworms Allegedly Resurrected From Russian Permafrost

Skeptics cite possibility of ancient samples’ contamination by contemporary organisms

Closeup of a stomatopod crustacean

Why Mantis Shrimps, Not Sharks, Might Be the Most Amazing Predators in the Sea

The crustaceans have superpowers other animals can only dream of

The spider’s tastes are shifting away from springtails, triggering a cycle of events that could serve as a welcome deterrence to Arctic climate change

How the Wolf Spider’s Diet May Help Keep the Arctic Cool

As temperatures rise, the spider dines differently, resulting in a cascade of effects in the Arctic

The science behind the uptick in cheetah births includes a new fecal hormone method to determine pregnancy in the animals.

Zoo Announces Another Seven Adorable Cheetah Cubs Are Born

With wild populations threatened, emerging and new techniques in the breeding science is growing ever more critical

New Research Suggests Dr. Seuss Modeled the Lorax on This Real-Life Monkey

Facial recognition software refreshes the classic book's message on conservation

The Unexpected Afterlife of Ill-Gotten Wildlife Goods

Contraband pelts and scales can serve as educational tools, add to research collections and even offer clues back to smugglers

Humans and other animals share large amounts of genetic material, making geneticists rethink the traditional notion of inheritance.

Genes That Jump Between Species Could Rewrite Our Understanding of Evolution

Horizontal movement of genetic material is widespread across animals, challenging traditional notions of inheritance

A male bee releasing its seminal fluid at the USDA bee lab in Baton Rouge, Louisiana. The male does not survive the process.

Is the Key to Saving Pollinators … Honey Bee Semen?

In the hopes of preserving their genetic diversity, entomologists are collecting and freezing this valuable fluid

This Spectacular Canadian Wildlife Reserve Is So Remote, You Can Only Get There Five Weeks a Year

Among serious adventure seekers, word is spreading about Torngat Mountains National Park—an Inuit-run reserve in Labrador, Northeastern Canada

Eight of 11 black rhinos translocated from Nairobi to Tsavo East National Park died after failing to adapt to the sanctuary's saltier water

Eight Endangered Black Rhinos Have Died in a Sanctuary

Preliminary investigation suggests the rhinos died as a result of salt poisoning

Male bat-eared foxes spend much of their time with their offspring, grooming, engaging them in play and teaching them to forage.

This Is Your Brain on Fatherhood

What clownfish stepfathers and Dad-of-the-Year foxes teach us about paternal neurochemistry in the animal kingdom

An ice-loving Weddell seal, equipped with headgear and ready to assist oceanographers.

How Data-Gathering Seals Help Scientists Measure the Melting Antarctic

Stumped on how to take the temperature of the ocean floor, oceanographers turned to the cutest, most competent divers they knew

An African yellow house bat.

Two New Yellow-Bellied Bats May Have Been Found in Kenya

Genetic analysis of 100 bats revealed two previously unknown lineages

Coral Reefs Need Fewer Rats and More Bird Poo

A study of rat-infested islands in the Chagos show that a lack of seabirds--and their guano--degrades surrounding coral ecosystems

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