Trace fossils reveal clues to evolution of tiny organisms in deep marine ecosystems
Dr. Luis Buatois (Ph.D.) traces a series of hexagons with his finger, following the path carved by tiny organisms millions of ...
Fossil of oldest known modern bird discovered in Antarctica
A 68-million-year-old skull fossil found in Antarctica has revealed the oldest known modern bird, which was likely related to ...
The Search for the Original Silly Goose in the Fossil Record
Some paleontologists think that fossils recovered from Antarctica are evidence of birds similar to modern geese and ducks ...
Scientists Think the World's Oldest Dinosaur Fossils May Still Be Awaiting Discovery
That sentiment stems from a new paper published in Current Biology which posits that dinosaur fossils older than we’ve ever ...
NAU researcher outlines new risks of warming, warns of faltering US science leadership
New research at NAU looks at faster warming in the Arctic, and highlights concern about risks to the U.S. of a political ...
Cretaceous fossil from Antarctica reveals earliest modern bird
Sixty-six million years ago, at the end of the Cretaceous Period, an asteroid impact near the Yucat n Peninsula of Mexico triggered the extinction of all known non-bird dinosaurs. But for the early ...
After the asteroid, the earliest bird ancestors thrived in Antarctica
With its glaciers and sub-zero temperatures, Antarctica hardly seems like a place of refuge. However, the now icy continent ...
Fossil shark teeth are abundant and can date the past in a unique way
Sharks have ruled the Earth’s oceans for 400 million years. Recent research on fossil shark teeth has discovered an ...