All Stories
- 			 Astronomy Astronomy‘Einstein’s Shadow’ explores what it takes to snap a black hole’s pictureThe new book offers a behind-the-scenes look at the Event Horizon Telescope’s attempt to image a black hole. 
- 			 Physics PhysicsA new ultrafast laser emits pulses of light 30 billion times a secondA new technique allows lasers to pulsate at a higher rate than ever before. 
- 			 Health & Medicine Health & MedicineCity size and structure may influence influenza epidemicsThe size and structure of cities helps shape the progression of new influenza cases during a flu season, a new study finds. 
- 			 Planetary Science Planetary ScienceSaturn’s ‘ring rain’ is a surprising cocktail of chemicalsNASA’s Cassini probe got a closeup view of the material falling from Saturn’s rings into the planet. The data could help illuminate the belts’ origins. 
- 			 Climate ClimateHow wind power could contribute to a warming climateIf the United States had enough wind turbines to generate all of its power, they would warm the country by 0.24 degrees Celsius on average. 
- 			 Chemistry ChemistrySpeeding up evolution to create useful proteins wins the chemistry NobelThe three winners, which include the fifth woman to win the chemistry prize, pioneered techniques used to fashion customized proteins for new biofuels and drugs. By Laurel Hamers and Maria Temming
- 			 Particle Physics Particle PhysicsPhysicist Leon Lederman, renowned for his subatomic particle work, has diedThe Nobel Prize–winning particle physicist discovered multiple particles and wrote popular science books. 
- 			 Life LifeLemur study suggests why some fruits smell so fruityA new test with lemurs and birds suggests there’s more to fruit odors than simple ripening. By Susan Milius
- 			 Astronomy AstronomyHubble may have spotted the first known exomoonA single sighting with the Hubble Space Telescope seems to confirm that there’s a Neptune-sized moon orbiting exoplanet Kepler 1625b. 
- 			 Humans HumansA 90,000-year-old bone knife hints special tools appeared early in AfricaThe discovery of a bone knife in a Moroccan cave points to the ancient emergence of specialized toolmaking in the region. By Bruce Bower
- 			 Chemistry ChemistrySpeeding up the evolution of proteins wins the chemistry NobelWork on evolving new proteins from old ones takes the Nobel Prize in chemistry. 
- 			 Animals AnimalsGiraffes inherit their spots from their mothersAfrica’s tallest creatures get their characteristic patterns of spots from their moms, a new study finds.