Hayley Arceneaux became the youngest American to go to space last year after she spent three days in orbit on Space-X's Inspiration rocket. She is telling her story in a new book.
Plus, bitmoji-style avatars are now available on WhatsApp and Google reveals the year's most popular searches.
Authorities in Mexico investigate the murder of 25-year-old Shanquella Robinson, who was killed while on vacation with her friends, as her family demands justice. WATCH NIGHTLINE EPISODES: ALSO AVAILABLE ON HULU: #nightline
Actor John Leguizamo discusses his latest role in the unconventional Christmas film “Violent Night,” his career and what it means to be representing the Latinx community in Hollywood. WATCH NIGHTLINE EPISODES: ALSO AVAILABLE ON HULU: #nightline
ABC News' Phil Lipof spoke with Academy Award-nominated and Emmy Award-winning director Matthew Heineman about his new documentary "Retrograde" about the final months of the war in Afghanistan.
ABC News’ Stephanie Ramos sat down with Russian civil rights activist Anastasia Shevchenko to discuss her new documentary “Anastasia” and her journey for closure.