We still have the coccyx as an evolutionary hangover from this tail-bearing ancestry. Tail loss occurred in our ape ancestors at the same time as the evolution of a more erect back and, in turn, a ...
A 150-million-year-old bird fossil, Zhengheornis, reveals the first step in the evolution of the short tails seen in modern ...
They’re not monkeying around with this breakthrough. Researchers from New York University Langone Health may have finally learned how early humans took a major step away from predecessor primates in ...
The find revealed a transitional stage in the tail’s development, in which it was already noticeably shorter but had not yet ...
The human body is full of evolutionary compromises. The loss of the tail may be one of the clearest examples of how change comes with cost. Long before humans walked upright, long before even apes ...
A newly identified bird from the Late Jurassic is helping fill one of the biggest gaps in bird evolution. Named Zhengheornis buyu, the tiny species had a shortened tail without the fused tailbone seen ...