22:54 26 October 2009

Explosion equivalent to 50 kiloton nuclear bomb caused no damage on the ground but its shockwaves were detected around the world, and the object was not spotted before impact

22:05 26 October 2009

A cream that boosted levels of the sex hormone in men made them less generous when playing an economic game, a study found

18:12 26 October 2009

Even carbon capture and storage may be unable to cut greenhouse gas emissions enough to make the Athabasca tar sands an environmentally friendly source of useable fuel

18:00 26 October 2009

Today's stories on newscientist.com, at a glance, including: how to catch the Sahara's sun for Europe, the truth about the disappearing honeybees, and how to harness pig poo