ET looks back at Michelle Trachtenberg's career, from 'Harriet the Spy' to her roles on 'Buffy,' 'Gossip Girl' and more. ET looks back at Adrien Brody's career, from winning an Oscar for 'The ...

In this ET rETrospective, David Schwimmer looks back at his career. ‘Goosebumps: The Vanishing’ premieres Jan. 10 on Hulu and Disney+. In this rETrospective, Scott Wolf looks back at his career.

Seven planets will line up for a rare "planetary parade" today (Feb. 28) and you can watch it live online, beginning at 12:00 p.m. ET (1700 GMT).