The News story 'Animal rights "terror" law challenged' ( Nature 466, 424; 2010) incorrectly implied that the targets of harassment by animal-rights activists were all researchers at the University of California, Berkeley. Researchers at the University of California, Santa Cruz, were also targeted.

The News Feature 'Ready for boarding — finally' ( Nature 466, 428–431; 2010) wrongly stated that spectroscopy performed by an airborne astronomical observatory doesn't require objects to be as bright as for imaging. In fact, spectroscopy requires more light than does imaging.