Satellite study finds major shifts in global freshwater

A new global, satellite-based study of Earth's freshwater distribution found that Earth's wet areas are getting wetter, while dry areas are getting drier. The data suggest that this pattern is due to a variety of factors, ...

Geologist discovers pattern in Earth's long-term climate record

In an analysis of the past 1.2 million years, UC Santa Barbara geologist Lorraine Lisiecki discovered a pattern that connects the regular changes of the Earth's orbital cycle to changes in the Earth's climate. The finding ...

The origins of multicellular life

The biological world around us is dominated by multicellular plants and animals. All of these intricate forms have evolved from far simpler, single celled ancestors.

Global warming: Our best guess is likely wrong

No one knows exactly how much Earth's climate will warm due to carbon emissions, but a new study this week suggests scientists' best predictions about global warming might be incorrect.

Going negative: Removing carbon dioxide from the atmosphere

To combat climate change, President Obama has called for an 80 percent reduction in carbon dioxide (CO2) emissions by 2050. To help achieve this goal, the President has encouraged big investments in wind, solar and other ...

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