Climate scientists uncover 30-year-old temperature record

The World Meteorological Organization (WMO) has recognized a temperature of -69.6°C (-93.3°F) at an automatic weather station in Greenland on 22 December 1991 as the coldest ever recorded in the Northern Hemisphere.

Cold War nuke tests changed rainfall: study

Nuclear bomb tests during the Cold War may have changed rainfall patterns thousands of miles from the detonation sites, new research has revealed.

Solar-powered plane lands near Washington (Update)

A solar-powered plane nearing the close of a cross-continental journey landed at Dulles International Airport outside the nation's capital early Sunday, only one short leg to New York remaining on a voyage that opened in ...

Japan pedal power aims for human flight record

A team in Japan are hoping pedal-power will beat the world record for a human-propelled plane—in a flying machine made from polystyrene, they said Monday.

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