Archaeology

The volcano beneath this calm-looking lake has grown restive, inspiring a rare collaboration between Chinese and Korean scientists

Fracturing a deep shale layer one time to release natural gas might pose little risk to drinking-water supplies, but doing so repeatedly could be problematic

Drilling for natural gas has gotten ahead of the science needed to prove it safe

A fossil of a shrewlike creature pushes back by 35 million years the day when mammals first nourished their young in the womb

Books and recommendations from Scientific American

First hard evidence of seasonal dinosaur migration found in dental enamel.

A bone tool embedded in a mastodon rib suggests humans were hunting big game earlier than thought.

Harvard psychologist Steven Pinker talked about the thesis of his new book, The Better Angels of Our Nature: Why Violence Has Declined, at the ScienceWriters2011 conference in Flagstaff on October 17. Steve Mirsky reports

'Experiment' raises alarm among social scientists.

Participants in the 1000 Genomes project reconstruct the genetic variation of a lost group of Native Americans.

Researcher suggests odd arrangement of marine fossils was stockpiled by enormous, tentacled beast.

Scientists are sending in unmanned aircraft to survey remote ares