This week’s Red Folder focuses on things you can do at home. There is something therapeutic about colouring in pictures. Perhaps it takes some of us back to a childhood before the Internet and ...

Fluttering gas: this image of the NGC 2899 planetary nebula was captured using the FORS instrument on ESO's Very Large Telescope in northern Chile. (Courtesy: ESO) Move over Butterfly Nebula, there is ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Inspired by Scientific American ’s terrific ...