Tiny bone fragments from Alaska suggest birds started breeding and nesting in the Arctic 30 million years earlier than ...

But one important thing is lacking: rocks. “Yes, gravel is a precious ... and Public Facilities who works in the agency’s Northern Region Materials Section. For decades, Currey says, the ...

But during the Late Cretaceous period, northern Alaska was a different kind of wild. Located far above the Arctic Circle ... and were deeply embedded in rock. Traditional fossil preparation ...

“Which is kind of crazy, because it’s not easy to live in the Arctic and have ... birds in a sequence of rocks known as the Prince Creek Formation in northern Alaska, which were formed on ...