The two-term Republican governor has been tight-lipped about what he plans to do next. He ruled out a third term Thursday.

Noah Giansiracusa asks: How nutritious is your social media diet? Containing too much social media 'junk food,' he notes for Science News Explores, can have deleterious effects, and so individuals ...

DNA methylation data can be used to estimate biological age, but results across commercial tests differ, raising questions ...