Archemedes' burning mirror, a device that was thought to concentrate the sun's rays into a laser beam that repelled an invading Roman fleet in 212 BC, was more likely a steam cannon, new research suggests.
'Programmable matter': Scientists have invented self-folding sheets that can flex themselves into origami airplanes and boats.
North Korea accused the US Monday of aggressive military moves in the zone separating the two Koreas. The North is undergoing a leadership transition.
Natural gas could serve as a carbon-light ‘bridge fuel’ while renewable energy sources are still gaining ground in the US energy mix, a new study from MIT says.
Scientists have succeeded in clocking the winds in the atmosphere of a planet orbiting a star in the constellation Pegasus. Windiest planet in our solar system is Neptune, at 1,200 m.p.h.
Solving problems with sustainable – and beautiful – design is the focus of a new exhibition in New York.
While opaque fares may generate more revenue, the transit system may lose the benefit of congestion pricing if riders don't know how much they are paying.
Ready to throw away your PC in favor of an iPad? You might want to wait a bit.
The latest revisions from four teams of scientists find that up to 1.76 million barrels from the BP oil spill had escaped into the Gulf of Mexico by June 3.
Swiss scientist Michael Graetzel won the 2010 Millennium Technology Prize for his work on inexpensive solar cells for renewable energy projects.