Dr. Oz and Oprah look back at some of his most memorable moments. Poop questions, weight loss transformations and more! Plus, guests who say Dr. Oz saved their lives.

A performer, poet, activist, memoirist and teacher, Maya Angelou has lived an extraordinary life. Now 85, Angelou talks to Oprah about God, forgiveness, the healing powers of love.

O, The Oprah Magazine, The Oprah Winfrey Show, Oprah Radio Radio and Oprah.com put the new year in high gear with Oprah's Best Life Series event.

Four years ago, when Oprah managed to get down to a trim and fit 160 pounds, she thought she'd hit on a foolproof formula for permanent weight loss. Then life; in the form of a thyroid problem and a killer schedule; intervened.

Remembering Whitney: The Oprah Interview, a two-hour special with the music legend's last in-depth television interview from The Oprah Winfrey Show airs this Thursday, February 16.