Arctic could be ice-free a decade earlier than thought

The Arctic Ocean's ice cap will disappear in summer as soon as the 2030s and a decade earlier than thought, no matter how aggressively humanity draws down the carbon pollution that drives global warming, scientists said Tuesday.

The four most promising worlds for alien life in the solar system

The Earth's biosphere contains all the known ingredients necessary for life as we know it. Broadly speaking these are: liquid water, at least one source of energy, and an inventory of biologically useful elements and molecules.

Mapping the global distribution of phytoplankton

Researchers at ETH have charted the distribution of phytoplankton in the world's oceans for the first time and investigated the environmental factors that explain this distribution. They concluded that plankton diversity ...

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