Neil deGrasse Tyson has turned his lifelong fascination with aliens into a new book, “Take Me to Your Leader: Perspectives on Your First Alien Encounter.”.

J. Michael Mendel, the Emmy-winning producer who worked on "Rick and Morty" and "The Simpsons," has died. (CNN) - J. Michael Mendel, the Emmy-winning producer who worked on "Rick and Morty" and "The Simpsons," has died two days short of his 55th birthday. Adult Swim, the US television network which has broadcast Rick and Morty since its debut in 2013, released a statement on Twitter saying: "All of us at Adult Swim are devastated by the untimely passing of Rick and Morty producer Mike Mendel. Justin Roiland, the co-creator of Rick and Morty, paid tribute to Mendel by tweeting on Monday: "My friend, partner, and line producer Mike Mendel passed away. Mendel then produced 22 episodes of "Rick and Morty," winning a fourth Emmy for his work last year.