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NASA/JPL-Caltech/Cornell University THE WOODLANDS, Texas Planetary scientists, usually an affable lot, are plenty riled up at the moment. [More]

NASA/JPL-Caltech/Cornell University THE WOODLANDS, Texas Planetary scientists, usually an affable lot, are plenty riled up at the moment. [More]

NASA/JPL-Caltech/Cornell University THE WOODLANDS, Texas Planetary scientists, usually an affable lot, are plenty riled up at the moment. [More]

MUNCIE, Ind.

MUNCIE, Ind. -- On an unusually warm day on the campus of Ball State University, Jim Lowe is giving a tour of the campus's huge, half-completed geothermal system

By Gerard Wynn LONDON (Reuters) - Threats of retaliation by China and India against a European Union plan to charge airlines for their carbon emissions is misplaced, given their weak legal case and a drift towards more such unilateral climate action.

By Gerard Wynn LONDON (Reuters) - Threats of retaliation by China and India against a European Union plan to charge airlines for their carbon emissions is misplaced, given their weak legal case and a drift towards more such unilateral climate action. Countries in Durban at the end of last year topped off years of lumbering U.N

What makes us who we are? Where is our personal history recorded, or our hopes

What makes us who we are? Where is our personal history recorded, or our hopes? What explains autism or schiziphrenia or remarkable genius?

What makes us who we are?

Sometime between three million and two million years ago, perhaps on a primeval sa

Sometime between three million and two million years ago, perhaps on a primeval sa

Sometime between three million and two million years ago, perhaps on a primeval sa

In late November 2011 I went to Johannesburg, South Africa, to meet the newest member of the human family, a nearly two million–year-old creature dubbed Australopithecus sediba. First announced in 2010, its fossilized bones have caused quite a commotion in paleoanthropological circles--and with good reason. They are some of the most complete early hominins (the group that includes modern humans and their extinct relatives) ever found, and they exhibit a combination of apelike and humanlike traits that no one would have predicted.

In late November 2011 I went to Johannesburg, South Africa, to meet the newest member of the human family, a nearly two million–year-old creature dubbed Australopithecus sediba. First announced in 2010, its fossilized bones have caused quite a commotion in paleoanthropological circles--and with good reason