Erik Pollock, a geoscientist at the U of A, is the lab manager of the University of Arkansas Stable Isotope Lab and the Trace Element and Radiogenic Isotope Lab.

For the first time, astronomers have probed the physical environment of repeating X-ray outbursts near monster black holes ...

Fire, Earth, Air, and Water. Each element reflects fundamental aspects of the signs’ purposes, personalities, and traits.

Rare earth elements are critical to many industries—used in electric motors, medical imaging and diagnostics, oil and gas ...