The controversial origin of a symbol of the American west

New research by Professor Beth Shapiro of the UC Santa Cruz Genomics Institute and University of Alberta Professor Duane Froese has identified North America's oldest bison fossils and helped construct a bison genealogy establishing ...

Galaxy found to float in a tranquil sea of halo gas

Using one cosmic mystery to probe another, astronomers have analyzed the signal from a fast radio burst, an enigmatic blast of cosmic radio waves lasting less than a millisecond, to characterize the diffuse gas in the halo ...

Evolutionary constraints revealed in diversity of fish skulls

In the aquatic environment, suction feeding is far more common than biting as a way to capture prey. A new study shows that the evolution of biting behavior in eels led to a remarkable diversification of skull shapes, indicating ...

Study discovers cellular activity that hints recycling is in our DNA

Although you may not appreciate them, or have even heard of them, throughout your body, countless microscopic machines called spliceosomes are hard at work. As you sit and read, they are faithfully and rapidly putting back ...

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