An Earthquake in a Maze

Caltech researchers provide highest-resolution observations yet of the complex 2012 Sumatra earthquake

Caltech researchers provide highest-resolution observations yet of the complex 2012 Sumatra earthquake

Global emissions of carbon dioxide (CO2) – the main cause of global warming – increased by 3% last year, reaching an all-time high of 34 billion tons in 2011. In China, the world's most populous country, average emissions of CO2 increased by 9% to 7.2 tons per capita.

A team of archaeologists led by Stephen Houston has made a new discovery at the Maya archaeological site in El Zotz, Guatemala, uncovering a pyramid believed to celebrate the Maya sun god. The structure's outer walls depict the god in an unprecedented set of images done in painted stucco. In 2010, the team uncovered a […]

The University of Central Florida has detected what could be its first planet, only two-thirds the size of Earth and located right around the corner, cosmically speaking, at a mere 33 light- years away.