At a distance of just over four light years, Proxima Centauri is our nearest stellar neighbor and is known to be a very ...

Your average daily heart rate is a useful metric; so is your daily step count. Combining the two might be even better.

Source: FactSet Markets Diary: Data on U.S. Overview page represent trading in all U.S. markets and updates until 8 p.m. See Closing Diaries table for 4 p.m. closing data. Sources: FactSet ...

Abstract: The wide luminosity dispersion seen for stars at a given effective temperature in the Hertzsprung–Russell diagrams of young clusters and star-forming regions is often interpreted as due to ...