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A new University of Colorado Boulder framework used to screen hundreds of organic chemical compounds used in hydraulic fracturing, or fracking, shows that 15 may be of concern as groundwater contaminants based on their toxicity, mobility, persistence and frequency of use.

It’s been difficult to explain patterns of toxic mercury in some parts of the world, such as why there’s so much of the toxin deposited into ecosystems from the air in the southeastern United States, even upwind of usual sources. A new analysis led by researchers at the University of Colorado Boulder shows that one key to understanding mercury’s strange behavior may be the unexpected reactivity of naturally occurring halogen compounds from the ocean.

A University of Colorado Boulder space center will fly high-tech hardware on the commercial SpaceX Dragon spacecraft launching to the International Space Station Sunday, the 50th space mission flown by BioServe Space Technologies since it was founded by NASA in 1987.

A University of Colorado Boulder scientist unexpectedly discovered two lichen species new to science in the same week while conducting research in Boulder Colorado, near the city’s eastern limits.

If planets had personalities, Mars would be a rock star according to recent preliminary results from NASA's MAVEN spacecraft. Mars sports a "Mohawk" of escaping atmospheric particles at its poles, "wears" a layer of metal particles high in its atmosphere, and lights up with aurora after being smacked by solar storms. MAVEN is also mapping out the escaping atmospheric particles. The early results are being discussed at a MAVEN-sponsored "new media" workshop held in Berkeley, California, on June 19-21.

Teachers from Colorado and beyond are learning the ins and outs of infographic design this week so they can bring new skills to their classrooms in the fall.

A dramatic increase in the rate of earthquakes in the central and eastern U.S. since 2009 is associated with fluid injection wells used in oil and gas development, says a new study by the University of Colorado Boulder and the U.S. Geological Survey.

After a 47-year journey as steward of CU Boulder’s Glenn Miller Archive at the American Music Research Center, Alan Cass will retire as curator on July 1.

The moon is engulfed in a permanent but lopsided dust cloud that increases in density when annual events like the Geminids spew shooting stars, according to a new study led by University of Colorado Boulder.

A tougher federal standard for ozone pollution, under consideration to improve public health, would ramp up the importance of scientific measurements and models, according to a new commentary published in the June 5 edition of Science by researchers at NOAA and its cooperative institute at the University of Colorado Boulder.