20:51 22 July 2010

The largest molecules yet identified in space are geodesic spheres of carbon atoms

19:00 22 July 2010

An upgraded version of the classic double-slit experiment has been performed – it's only taken a century to do it

18:07 22 July 2010

Heatwaves around the world have complex causes, just like the cold snaps a few months ago – keep your eye on the big picture, says Michael Le Page

18:00 22 July 2010

All today's stories on NewScientist.com, including: why laughter is catching, how to hire an astronaut and what evolution tells us about underclasses