- Teen sleep problem raises concerns in the United States
- 5.2-magnitude earthquake hits Southern California; Elephants at San Diego Zoo Safari Park display protective behavior
- Pig kidney transplant reaches 130 days in landmark xenotransplant case
- Jared Isaacman nominated to lead NASA, Advocates for parallel Moon and Mars missions
- Unusual disk-shaped asteroid may hit moon, say scientists
- Ancient child’s skeleton in Portugal sheds new light on human evolution and Neanderthal interbreeding
- Ancient jawbone found in Taiwan linked to Denisovans, expanding understanding of early human migration
- Chinese scientists discover far side of the Moon is drier than near side
- Scientists create largest functional brain map using mouse watching “The Matrix”
- Scientists develop genetically engineered wolves in U.S. using DNA of extinct dire wolves