Science writer Surendra Verma looks back at the 'Tunguska event,' a mysterious occurrence in Siberia in 1908 which, like the 2013 meteorite, caused injuries and damage when the sky exploded.
Simon Winchester examines the story behind the discomforting photo taken of the little girl who inspired “Alice’s Adventures in Wonderland.”
If humans heated the earth, perhaps our technology can cool it, too. A look at the science of geoengineering and how it might be used to address global warming.
The eruption at Eyafjallajökull volcano in Iceland has been hugely disruptive to world travel. But as a volcanic event, it's barely worth mentioning.
With a New Year's Eve blue moon, 2009 goes out with an lunar bang.
Around 20,000 Filipinos were evacuated from the slopes of the Mayon Volcanoe on the Philippines' main island of Luzon Tuesday. The volcano, which has erupted and left fatalities in the past, is a reminder of dangers of living on the Pacific "ring of fire."
Joseph Needham put Chinese science on the world map.