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European mountain guides are cancelling climbs up some of the most iconic peaks in the Alps, including Mont Blanc and the Matterhorn, as a series of heat waves and rapidly melting glaciers have made the routes too dangerous.

As warming ocean temperatures threaten the existence of coral reefs, scientists at the National Center for Atmospheric Research (NCAR) have successfully used an extremely high-resolution computer simulation of ocean circulation to identify possible “thermal refugia” where these biodiverse ecosystems are more likely to survive.

For the first time, scientists have recorded millimeter-wavelength light from a fiery explosion caused by the merger of a neutron star with another star.

An estimated two-thirds of humanity is affected by shortages of water, and many such areas in the developing world also face a lack of dependable electricity. 

Researchers at the University of Bristol and Scottish Universities Environmental Research Centre have discovered that super-eruptions occur when huge accumulations of magma deep in the Earth’s crust, formed over millions of years, move rapidly to the surface disrupting pre-existing rock.