What Did Denisovans Look Like? Scientists Have Their Best Answer Yet

Left: Artist depiction of the heavy set facial features of a Denisovan.Credit: Institute of Vertebrate Paleontology and Paleoanthropology/Chinese Academy of Sciences. Right: The Harbin cranium. Credits: Fu et al (2025) / Wikipedia.

For years, we’ve mostly known this mysterious human lineage from fossil bits and pieces. Scientists have found fossilized bones, skull parts, they’ve even found traces of their genes in people alive today. But what did the Denisovans look like?

Now, a new study is finally bringing their appearance into focus. By analyzing ancient proteins preserved in fossils from China, researchers have identified more Denisovan remains and pieced together a remarkably detailed picture of their features including massive brow ridges, sloping foreheads, and broad, relatively flat faces.

The findings also suggest something surprising: several ancient human groups that scientists thought were distinct may have been Denisovans all along. The humans we knew from a finger bone The Denisovan story began in a cave in Siberia. In 2010, scientists analyzed DNA recovered from a tiny finger bone and discovered that it belonged to a previously unknown group of ancient humans.

They named them after Denisova Cave, where the bone was found. Denisovans were close relatives of Neanderthals. They had also interbred with our species, leaving traces of their ancestry in people alive today.

But there was a frustrating problem. The Denisova Cave. Image via Wiki Commons.

Unlike Neanderthals, whose skeletons have been found at numerous sites, Denisovans were initially known from only a handful of fragments. Scientists could read their genetic history more easily than they could picture their faces. That began to change in 2025, when researchers showed that a nearly complete skull from Harbin, northeastern China, belonged to a Denisovan.

The fossil, nicknamed “ Dragon Man ” and previously described as Homo longi , offered a rare look at the shape of a Denisovan head. × The latest discovery adds another crucial piece. New Denisovan fragments At Xujiayao in northern China, archaeologists excavated 20 human fossil specimens between 1976 and 1979.

The roughly 199,000–138,000-year-old remains included skull and jaw fragments whose place on the human family tree remained disputed. The DNA didn’t survive. But the new team, led by researchers in China, turned to something else: proteins preserved inside bone.

They recovered 18 ancient proteins from two fossils. In both specimens, they found a distinctive version of a collagen protein previously identified in confirmed Denisovans, but not in Neanderthals or modern humans. A separate analysis of the protein sequences also grouped the Xujiayao fossils with Denisovans.

They were clearly Denisovans. Places where Denisovan remains have been found. Image via Wiki Commons.

Taken together, the Xujiayao remains and the Harbin skull suggest a few traits. Denisovans had long, low skulls, heavy brow ridges and foreheads that sloped backward. Their faces were relatively broad and flat through the cheeks, with little forward projection around the mouth.

Their nasal openings were broad, and their skull bones thick. So, they weren’t just Neanderthals living farther east. They shared some features with Neanderthals but differed in the back of the skull and parts of the jaw.

Some features also resembled the much older Homo erectus , while others looked surprisingly modern. Of course, these facial reconstructions can never be perfect; there’s a lot of information you can’t derive from bones, DNA, and proteins. For example, we can only infer their skin tone, hairstyle or exact facial appearance.

Any lifelike image necessarily involves artistic interpretation. But it’s the first time we have a more complete idea of what Denisovans looked like. “We are finally starting to put a face to the Denisovan,” says Sally Wasef, a palaeogeneticist at the Queensland University of Technology in Brisbane, Australia, for Nature .

The bones now reveal far more than scientists could have inferred from the original Siberian finger bone. And they may explain another longstanding mystery. Many lineages?

Nope, they’re Denisovans For decades, researchers encountered ancient human fossils across China that seemed to fit nowhere neatly. Some were classified as early modern humans. Others were treated as Neanderthal relatives or members of separate species.

The Xujiayao fossils themselves were recently placed in a proposed species called Homo juluensis , partly because of their enormous estimated braincase capacity of about 1,700 cubic centimeters. Meanwhile, the Harbin skull had been assigned to Homo longi . The new study argues that differences such as skull size may not justify dividing these fossils into separate evolutionary branches.

After comparing the bones from these regions, the scientists suggest we’re simply dealing with a varied Denisovan lineage. This is still far from a settled issue, and the conclusion is stronger for the specimens identified through proteins or DNA than for those linked only by resemblance.

But this would explain why scientists just weren’t finding any Denisovan remains; they were, but they didn’t realize they’re Denisovans. A lost lineage that never entirely disappeared The accumulating discoveries also suggest that Denisovans were remarkably adaptable . Fossils and molecular evidence now place them across a huge swath of Asia, from Siberia to the Tibetan Plateau, northeastern China and as far south as the Taiwan Strait.

The authors suggest they may have occupied parts of East Asia over hundreds of thousands of years, across radically different environments. They weren’t a small group confined to a Siberian cave. They were a widespread part of humanity’s history.

And their story didn’t end entirely with extinction. Ancient interbreeding left Denisovan DNA in modern humans, particularly among populations in Oceania and parts of Asia. One inherited Denisovan-related genetic variant even helps some Tibetans cope with oxygen-poor air at high altitudes.

We still can’t know exactly what Denisovans were like. But scientists are no longer working with a faceless genome. A population once revealed by a tiny finger bone is gradually emerging as a group of real people, with distinctive faces, varied lives and a place in our own ancestry.

Real people who are now a part of our own genetic heritage. The study was published in Nature .