What we know after American Airlines plane crashes with Black Hawk helicopter in Washington, D.C. Your protein needs change as you get older. Here’s how much you should be eating at every age ...

Hair loss is an issue often associated with men but 40 percent of women says they experience it by age 40 so dermatologist Dr ...

NASA's Osiris-Rex mission reveals vital chemical compounds in Bennu asteroid dust, including organic molecules essential for life, supporting the theory that asteroids may have delivered life's ...

Throughout its long history, Earth has warmed and cooled time and again. Climate has changed when the planet received more or less sunlight due to subtle shifts in its orbit, as the atmosphere or ...