PhysOrg

Environmental pollution—from filthy air to contaminated water—is killing more people every year than all war and violence in the world. More than smoking, hunger or natural disasters. More than AIDS, tuberculosis and malaria combined.

For more than 100 years, biochar, a carbon-rich, charcoal-like substance made from oxygen-deprived plant or other organic matter, has both delighted and puzzled scientists. As a soil additive, biochar can store carbon and thus reduce greenhouse gas e...

One of the largest global mass extinctions did not fundamentally change marine ecosystems, scientists have found.

One of the most anticipated cases to be argued before the U.S. Supreme Court this term—Leidos v. Indiana Public Retirement System—was settled Monday. But two professors in Indiana University's Kelley School of Business continue to raise serious q...

New Delhi was shrouded in a thick toxic haze Friday after a night of frenzied Diwali fireworks sent the air quality plummeting despite a ban on sale of fireworks aimed at thwarting a repeat of an 'airpocalypse'.

At first glance all is as normal in the Turkish town of Hasankeyf, which has seen the Romans, Byzantines, Turkic tribes and Ottomans leave their mark in over 10,000 years of human settlement.

In a nod to the global amateur astronomy community, as well as to any space enthusiast who enjoys the beauty of the cosmos, the Hubble Space Telescope mission is releasing its version of the popular Messier catalog, featuring some of Hubble's best im...