Heat stress in U.S. may double by century's end

Periods of extremely high heat are projected to double across the lower 48 states by 2100 if the world continues to emit high levels of greenhouse gases, according to a new study in Earth's Future, an American Geophysical ...

What are the best ways to search for technosignatures?

The search for extraterrestrial intelligence (SETI) has long roots in human history. With the advent of modern technologies, scientists were finally able to start scanning the skies for any sign of life. When the search ...

Achieving a safe and just future for the ocean economy

The economic potential of the oceans is expected to double from US$1.5 trillion in 2010 to US$3 trillion by 2030. Yet managing this growth should be undertaken in a safe and just manner caution a team of international researchers.

Deep-sea drillers investigate shedding of Antarctic icebergs

The 5.4 million square-mile Antarctic ice sheet is by far the greatest mass of fresh water on earth. If all it were to melt, it would raise global sea levels some 70 meters (220 feet), driving human civilization inland, and ...

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