Bright explosion on the Moon

For the past 8 years, NASA astronomers have been monitoring the Moon for signs of explosions caused by meteoroids hitting the lunar surface. "Lunar meteor showers" have turned out to be more common than anyone ...

May 17, 2013 4.9 / 5 (14) 17 | with audio podcast

The politics of climate change

U.S. residents who believe in the scientific consensus on global warming are more likely to support government action to curb emissions, regardless of whether they are Republican or Democrat, according to a study led by a ...

Apr 29, 2013 3.5 / 5 (19) 349

Cheating favors extinction

Cooperative behaviour is widely observed in nature, but there remains the possibility that so-called 'cheaters' can exploit the system, taking without giving, with uncertain consequences for the social unit ...

Apr 30, 2013 4.1 / 5 (16) 70 | with audio podcast