 
					Ashley Yeager is the associate news editor at Science News. Previously, she worked at The Scientist, where she was an associate editor for nearly three years. She has also worked as a freelance editor and writer, and as a writer at the Simons Foundation, Duke University and the W.M. Keck Observatory. She was the web producer for Science News from 2013 to 2015, and was an intern at the magazine in the summer of 2008. She holds a bachelor’s degree in journalism from the University of Tennessee, Knoxville, and a master’s degree in science writing from MIT. Her book, Bright Galaxies, Dark Matter and Beyond, on the life of astronomer Vera Rubin, will be published by MIT Press in August.
 
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All Stories by Ashley Yeager
- 			 Astronomy AstronomyOldest star provides hints about first supernovasThe chemical composition of star SMSS J031300.362670839.3 and four others suggests that the explosions of the early universe weren't big enough to seed galaxies with iron. 
- 			 Astronomy AstronomyOld stars gleaned neighbors’ gas, Hubble data showBlue straggler stars can continue to burn hot after taking material from a stellar companion. 
- 			 Planetary Science Planetary ScienceBig space rock makes an impact on MarsAn orbiting spacecraft snapped images of a huge crater and blast marks on the surface of the Red Planet. 
- 			 Planetary Science Planetary ScienceAsteroid shows its inner differencesThe peanut-shaped space rock is more compact on one side than on the other. 
- 			 Genetics GeneticsChemical changes to genes make twins’ pain differChemical changes to genes may make identical twins experience pain differently. 
- 			 Life LifeMosquito sperm may sense smellsMosquitoes’ sperm may have chemical sensors that detect odors similar to the way the insect’s antennae sort smells. 
- 			 Humans HumansDNA suggests humans moved back into AfricaAbout 3,000 years ago, human populations from western Eurasia migrated back into eastern Africa, specifically Ethiopia. 
- 			 Neuroscience NeuroscienceFootball helmet redesign can reduce concussion riskNo helmet will ever eliminate the risk of sustaining a concussions during a football game. But tweaking the design may slow the speed of head movements after a hit and reduce the risk of brain trauma. 
- 			 Health & Medicine Health & MedicineTumors grow faster in cancer-prone mice given vitaminsThe tumors killed the mice twice as fast as early-stage lung lesions in mice not given the antioxidants, researchers report. 
- 			 Neuroscience Neuroscience‘Unique’ human brain regions similar to monkeys’ brainsMonkeys may have rudimentary brain wiring that later evolved into the connections that gave humans the ability to understand language, think flexibly and make decisions. 
- 			 Planetary Science Planetary ScienceChina’s moon rover may be beyond repairIf the rover’s electronics are exposed to the extremely cold temperatures on the moon, they will break, leaving Jade Rabbit inoperable. 
- 			 Life LifeMolecule stops MERS spread among cultured human cellsThe molecule interacts with the protein the MERS virus uses to enter a cell.