Mining and cancer linked in Appalachia

A July 2011 study finds increased cancer rates near the Coal River Valley mountaintop removal in West Virginia. Read more about mining and cancer.

Ancestors may have walked upright four million years ago

Ancient footprints in Tanzania reveal features essential for an upright gait. Read more about our ancestors walking upright earlier than previously believed.

A skyscraper + ferris wheel + zoo. Wait…what?

Influx Studio hopes a rare architectural combination of skyscraper, ferris wheel and zoo will inspire Buenos Aires residents to take action that helps wildlife.

Why fish farming gets a bad rap in America

In America, fish farming or aquaculture usually elicits a neutral or negative response from people. Why is this? Find out on EarthSky.

A tipping point for the spread of ideas?

Researchers say the tipping point where a minority belief becomes the majority opinion is at 10 percent. Read more about this tipping point.

Science news: Space Shuttle, Texas evolution, Pluto

This week in science news: Space Shuttle Atlantis era is over, Texas evolution in the classroom, Pluto's new moon, James Webb Telescope, and anthrax.

Gonorrhea reaching for superbug status, still

A wily and rapidly evolving strain of gonorrhea is emerging as a globally threatening suberbug. Read more about the resistant strain here.

Does optimism help prevent stroke?

On a 16-point scale, each point increase in optimism correlated with a 9 percent reduction in stroke risk, according to a study by the University of Michigan.

New particle found by physicists

A new sub-atomic particle has been discovered by physicists using high-energy collisions at the U.S. national laboratory Fermilab. Read more on the new particle.

Got greenhouse gases? At Idaho dairy farm, answer is yes

Scientists monitored greenhouse gases emitted from a dairy farm in Idaho, with 10,000 milk cows. The farm generated 37,000 pounds of emissions daily.