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News From the Field

Rare Fossil Forces Rethinking of Early Dinosaur Evolution

December 10, 2009

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The discovery of a rare, primitive dinosaur named Tawa hallae is redefining the first theropods. Uncovered at New Mexico's Ghost Ranch and dating to the Upper Triassic, the fossil's evidence of an air sack system makes this trait much more primitive than previously thought. T. hallae is also more closely related to South American fossils, which redefines the early evolution of theropods as not endemic to each continent but as multiple dispersals from the south. Full Story

American Museum of Natural History

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The National Science Foundation (NSF) is an independent federal agency that supports fundamental research and education across all fields of science and engineering. In fiscal year (FY) 2018, its budget is $7.8 billion. NSF funds reach all 50 states through grants to nearly 2,000 colleges, universities and other institutions. Each year, NSF receives more than 50,000 competitive proposals for funding and makes about 12,000 new funding awards.

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