How the heart's layers communicate during formation

Dark Matter May Be Annihilating Itself at the Heart of the Milky Way

A U-Michigan led team of researchers has discovered Andromeda XXXV, the smallest and faintest known galaxy orbiting Andromeda, the Milky Way's major galactic neighbor. The find challenges past theories on evolution and star formation in satellite galaxies.

How One Hour of TV a Day Could Save Your Heart