All Stories
- 			 Paleontology PaleontologyIn a first, scientists spot what may be lungs in an ancient bird fossilPossible traces of lungs preserved with a 120-million-year-old bird fossil could represent a respiratory system similar to that of modern birds. 
- 			 Health & Medicine Health & Medicine50 years ago, the safety of artificial sweeteners was fiercely debatedScientists are still learning more about the health effects of chemical sweeteners 
- 			 Artificial Intelligence Artificial IntelligenceArtificial intelligence crowdsources data to speed up drug discoveryA new AI that judges whether drugs will interact with certain proteins can train on data from multiple sources while keeping that info secret. 
- 			 Climate ClimateMore tornadoes are popping up east of the MississippiTornadoes are becoming slightly less frequent in Tornado Alley, while more are touching down farther east in the United States, a study suggests. 
- 			 Archaeology ArchaeologyThe water system that helped Angkor rise may have also brought its fallA complex water system magnified flooding’s disruption of the medieval Cambodian city of Angkor. By Bruce Bower
- 			 Earth EarthThese ancient mounds may not be the earliest fossils on Earth after allA new analysis suggests that tectonics, not microbes, formed cone-shaped structures in 3.7-billion-year-old rock. 
- 			 Life LifeDandelion seeds create a bizarre whirlpool in the air to flyResearchers have deciphered the physics underlying dandelion flight. 
- 			 Particle Physics Particle PhysicsWhat the electron’s near-perfect roundness means for new physicsThe electron remains stubbornly round, meaning we may need to build beyond the Large Hadron Collider to find physics outside of the standard model. 
- 			 Astronomy AstronomyReaders wonder about a hydrogen wall, pig lung transplants and moreReaders had questions about a glow at the edge of the solar system, pig lung transplants, the use of the word promiscuous and more. 
- 			 Science & Society Science & SocietyWaking up early to cover science’s biggest honorEditor in Chief Nancy Shute discusses how the Science News editors and reporters cover the Nobel Prizes each year. By Nancy Shute
- 			 Health & Medicine Health & MedicineA mysterious polio-like disease has sickened as many as 127 people in the U.S.Medical experts are trying to trace the cause of 62 confirmed cases of acute flaccid myelitis this year. 
- 			 Archaeology ArchaeologyAn ancient child’s ‘vampire burial’ included steps to prevent resurrectionA 10-year-old skeleton in a Roman cemetery had a stone placed in its mouth to prevent the youngster from rising from the dead, researchers say. By Bruce Bower