Science Spectacular celestial image of a newborn star's dust looks like a 1990s psychedelic rave flier Allan Rose Hill
Science Here's a great new thing to worry about: "Mirror life" could destroy life on Earth Ruben Bolling
Nature Got Moonmilk? Moon rays, bacteria and chemical reactions all thought source of mysterious cave precipitate Popkin
artificial tears Outbreak of infection leaving 1 dead and 3 without vision is likely from brand of eyedrops, says CDC Carla Sinclair
Alzheimer's disease New study shows mouth bacteria could cause "direct damage to brain tissue" and accelerate Alzheimer's disease Mark Frauenfelder
Science Scientists discovered the world's largest bacterium and you can see it with your naked eye David Pescovitz
Science Mutant bacteria spontaneously swarm into patterns resembling van Gogh painting David Pescovitz