NEW YORK -- For the first time, researchers have used the cloning technique that produced Dolly the sheep to create healthy monkeys, bringing science an important step closer to being able to do the ...

In a major step that could potentially lead to jaw-dropping recoveries in humans affected by conditions such as macular holes, researchers at the Kobe Eye Hospital in Japan have repaired a hole in a ...

The 43 rhesus macaque monkeys that escaped a South Carolina medical lab this week are among the most studied animals on the planet. And for more than a century, they have held a mirror to humanity, ...

Researchers found that New World monkeys can produce extreme yodeling-like sounds by rapidly switching between their vocal folds (for low tones) and specialized vocal membranes (for high tones), ...

A group of scientists restored vision in a monkey by using human stem cells to fix a hole in its retina. The research could open new doors for vision treatment in humans and other animals, too. A new ...