"I'm stunned." says Per Ahlberg of Uppsala University, who coordinated the study; "A single track-bearing slab, which one person can lift, calls into question everything we thought we knew about when ...

Astronomers believe this barred spiral galaxy could be the oldest example of its kind ever observed. Research led by Daniel Ivanov, a graduate student in physics and astronomy at the Kenneth P.

The researchers’ wider analysis, based on the reconstruction and more than 100 other skull fossils, has also sketched a radically different picture of human evolution, they reported Thursday in the ...

The molecular clock theory posits that genetic changes happen steadily and gradually, offering a reliable means for peering into the past and theorizing when complex life first emerged. However, there ...

A digital reconstruction of a million-year-old skull suggests humans may have diverged from our ancient ancestors 400,000 years earlier than thought and in Asia, not Africa, a study found. The ...