An international team of researchers has documented through airborne laser scanning the existence of an extensive multicultural civilization that thrived in the Southwestern Amazon between 600 B.C. and 850 A.D., and that housed millions of people at its peak. The findings, published after meticulous fieldwork covering approximately 4,500 square kilometers, transform the current understanding of […]
Paleontologists have unearthed a remarkably preserved fossil snake in Brazil that is reshaping ideas about how the earliest snakes lived and complicating the long-running debate over whether their ancestors burrowed underground, swam in the sea or crawled the surface.
Today, lepidosaurs -- the reptile group that includes lizards, snakes and New Zealand’s tuatara -- are among the most diverse vertebrates on Earth, but their earliest evolutionary history remains poorly understood.
A 113-million-year-old pterosaur fossil from northeastern Brazil has yielded rare evidence of soft tissues, organic molecules and chemical traces of a diet heavy in fish and cephalopods such as squid or nautilus relatives.
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