Amid this controversy, Russian biologist Ilya Ivanov set out in the mid-1920s to crossbreed humans and chimpanzees. Ivanov ...

This chimpanzee shares nearly 98% of its DNA with humans, but behind its intelligence is a brutally powerful primate capable of coordinated attacks, violent dominance fights, strategic hunting, and ...

Aaron Sandel can pinpoint when it all started. The codirector of the Ngogo Chimpanzee Project had been observing a group of apes on June 24, 2015, in Uganda’s Kibale National Park, where the project ...

Humans don’t just recognize each other’s voices—our brains also light up for the calls of chimpanzees, hinting at ancient communication roots shared with our closest primate relatives. Researchers ...

Chimpanzees naturally ingest surprising amounts of alcohol from ripe, fermenting fruit. Careful measurements show that their typical fruit diet can equal one to two human drinks each day. This ...

Chimpanzees may have more in common with human thinkers than previously thought. A new study published in Science by an international team of researchers provides evidence that chimpanzees can ...

Chimpanzees may consume the equivalent of about one alcoholic drink per day due to the ethanol contained within the fruit they eat, according to a new study. Understanding this behavior of our closest ...

The largest group of wild chimpanzees known to scientists has permanently split in two. In a study published in Science, researchers from the University of Texas at Austin and other institutions ...

For 11 days in late summer 2025, Aleksey Maro found himself in the Ugandan rainforest, doing whatever he could to collect chimpanzee urine. "The most consistent, predictable time is in the morning.