From the discovery of gravity to the first mission to defend Earth from an asteroid, here are the most important physics ...

Kristen Bell learns about her grandfather and great grandfather's generational trauma, with lives of siblings and a parent lost. Finding Your Roots is available to stream on pbs.org and the free ...

Finding Your Roots is available to stream on ... Samsung Smart TV, and Vizio. Dax's 9th great-grandfather, a man named Toussaint Beaudry, was baptized here in 1639, and his family may well have ...