Ashton Carter

Seth Meyers, who is "Saturday Night Live's" longest serving anchor on the show's wildly popular "Weekend Update," takes over as host of NBC's "Late Night" — home to A-list celebrity guests, memorable comedy and the best in musical talent. As the Emmy Award-winning head writer for "SNL," Meyers has established a reputation for sharp wit and perfectly timed comedy, and has gained fame for his spot-on jokes and satire. Meyers takes his departure from "SNL" to his new post at "Late Night," as Jimmy Fallon moves to "The Tonight Show".

Host Neil deGrasse Tyson brings together celebrities, scientists and comedians to explore a variety of cosmic topics and collide pop culture with science in a way that late-night television has never seen before. Weekly topics range from popular science fiction, space travel, extraterrestrial life, the Big Bang, to the future of Earth and the environment. Tyson is an astrophysicist with a gifted ability to connect with everyone, inspiring us all to to "keep looking up."

Examining the foreign policies that have shaped the modern world and meeting people living through today's major conflicts.

Seth Meyers, who is "Saturday Night Live's" longest serving anchor on the show's wildly popular "Weekend Update," takes over as host of NBC's "Late Night" — home to A-list celebrity guests, memorable comedy and the best in musical talent. As the Emmy Award-winning head writer for "SNL," Meyers has established a reputation for sharp wit and perfectly timed comedy, and has gained fame for his spot-on jokes and satire. Meyers takes his departure from "SNL" to his new post at "Late Night," as Jimmy Fallon moves to "The Tonight Show".

Host Neil deGrasse Tyson brings together celebrities, scientists and comedians to explore a variety of cosmic topics and collide pop culture with science in a way that late-night television has never seen before. Weekly topics range from popular science fiction, space travel, extraterrestrial life, the Big Bang, to the future of Earth and the environment. Tyson is an astrophysicist with a gifted ability to connect with everyone, inspiring us all to to "keep looking up."