The U.S. was the first country ever to launch a primate, sending a rhesus monkey named Albert to a sub-space altitude of 39 miles (63 kilometers) aboard a V2 rocket in June 1948. You may like Best ...

The first American man to achieve that same space milestone, Alan Shepard, handled dozens of switches, buttons, and levers in his capsule. Nelson says that the Soviets did consider using primates ...

People have evolved to sleep much less than chimps, baboons or any other primate studied so far. A large comparison of primate sleep patterns finds that most species get somewhere between nine and ...