When it comes to reversible ways to prevent pregnancy, men have limited options—for now.

Contraceptive Gel Called the “IUD For Men” Makes It Through Monkey Trials

Vasalgel aims to make contraception for men as easy and effective as IUDs have for women

Macaques and humans seem to share the strength of knowing the limits of what they know.

A Wise Monkey Knows How Little He Knows

Japanese scientists find that macaque monkeys, like humans, know the limits of their own memory

To speak, perchance to think? A long-tailed macaque opens wide in Bali, Indonesia.

What's Really Keeping Monkeys From Speaking Their Minds? Their Minds

When it comes to language, primates have all the right vocal equipment. They just lack the brains

Grégoire Courtine, an author on the new study, holds a silicon model of a primate’s brain, a microelectrode array and a pulse generator. The brain-spine interface consists of elements like these.

A New Wireless Brain Implant Helps Paralyzed Monkeys Walk. Humans Could Be Next.

One small step for monkeys, one potential leap for humans

Wild capuchins make stone tools, but don't know how to use them.

Wild Monkeys Unintentionally Make Stone Age Tools, But Don't See the Point

Scientists observe a “unique” human behavior in wild animals

21 Million Years Ago, Monkeys May Have Floated to North America on Rafts

Fossil teeth in Panama show monkeys made it to Central America, probably on floating mats of vegetation

A black-and-white snub-nosed monkey

Monkeys Like Full Red Lips, Too

In snub-nosed monkeys, male lips plump up and redden as they age, likely to signify reproductive availability and social status

Russian scientists are training rhesus monkeys like these for a mission to Mars in 2017.

Russia Wants to Send Monkeys to Mars and Women to the Moon

The Russian space agency has announced plans for space missions through 2029

Move Over, Clooney: This Japanese Gorilla is the Internet’s Newest Heartthrob

Shabani’s sexy looks are responsible for a spike in zoo attendance

A Diana monkey, perhaps tuning in to the distress calls of  fellow primates.

Monkeys Can Hack Each Other’s Grammar

Campbell’s monkeys add suffixes to alarm calls to indicate specific threats, and Diana monkeys tune in for their own benefit

These coppery titi monkeys have a red beards similar to those sported by the newly discovered Milton’s titi monkey. The new species can be further identified by a light gray stripe across their foreheads and a bright orange tail.

Adorable Monkey New to Science Identified in Threatened Rainforest

Researchers in the Brazilian rainforest describe a previously undocumented species of titi monkey whose habitat faces man-made threats

Bullying Pays Off For Chimp Dads

For male chimps, the meaner you are, the more offspring you have

Google's newest Street View collection takes users to Gombe Stream National Park, where Jane Goodall pioneered her chimpanzee behavioral research. "Don't forget to look up," a Google project manager says.

Exclusive: The Chimpanzees of Gombe National Park Make Their Street View Debut

For its latest collection, Google traveled to the African rainforest where Jane Goodall pioneered her groundbreaking chimp research

Name That Howler Monkey

The Small Mammal House's loudest and most charismatic critters is getting a name this week


Space Monkey Able Celebrates Flight's 50th Anniversary


Monkey Wrench

An American couple's ingenious research challenges the popular notion that baboons and other monkeys are almost human


When Monkeys Move to Town

Loitering on sidewalks and begging at shops, macaques are familiar, but not always welcome, sights in cities across Asia

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