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.

The post Did Early Snakes Burrow, Swim or Crawl? 80‑Million‑Year‑Old Fossil Suggests: All Three appeared first on Sci.News: Breaking Science News.

Paleontologists have described a new genus and three new species of small, insect-eating marsupials from the Early Miocene deposits of the Riversleigh World Heritage Area in northwestern Queensland, one of Australia’s richest fossil sites.

The post New Marsupial Lineage Emerges from Australian Fossils appeared first on Sci.News: Breaking Science News.