All Stories
- 			 Health & Medicine Health & MedicineWhen preventing HIV, bacteria in the vagina matterVaginal bacteria affect how well microbicide gels used to prevent HIV work. 
- 			 Neuroscience NeuroscienceBrains encode faces piece by pieceCells in monkey brains build up faces by coding for different characteristics. 
- 			 Physics PhysicsLIGO snags another set of gravitational wavesTwo black holes stirred up the third set of gravitational waves ever detected. 
- 			 Health & Medicine Health & Medicine50 years ago, antibiotic resistance alarms went unheededScientists have worried about antibiotic resistance for decades. 
- 			 Health & Medicine Health & MedicineBabies categorize colors the same way adults doBabies divide hues into five categories, much like adults, a result that suggests color categorization is built into the brain. 
- 			 Genetics GeneticsMummy DNA unveils the history of ancient Egyptian hookupsA study of DNA extracted from Egyptian mummies untangles ancient ancestry and attempts to resolve quality issues. 
- 			 Health & Medicine Health & MedicineSome topics call for science reporting from many anglesThere’s heartbreak in this issue. Science News investigates different facets of the ongoing opioid epidemic in the United States. 
- 			 Particle Physics Particle PhysicsReaders puzzled by proton’s propertiesReaders sent feedback on under-ice greenhouses in the Arctic, the Martian atmosphere and more. 
- 			 Health & Medicine Health & MedicineFor babies exposed to opioids in the womb, parents may be the best medicineA surge in opioid-exposed newborns has U.S. doctors revamping treatments and focusing on families. By Meghan Rosen
- 			 Health & Medicine Health & MedicineResearchers stumble onto a new role for breast cancer drugAt first, ophthalmologist Xu Wang thought her experiment had failed. But instead, she revealed a new role for the breast cancer drug tamoxifen — protection from eye injury. 
- 			 Archaeology ArchaeologyPeru’s plenty brought ancient human migration to a crawlAncient Americans reached Peru 15,000 years ago and stayed put, excavations suggest. By Bruce Bower
- 			 Health & Medicine Health & MedicineThe opioid epidemic spurs a search for new, safer painkillersToday’s opioids stop pain — but they’re also dangerous. Scientists are hunting for replacements.