NASA May 12, 2018 3:38 pm NASA Shows Off Mars Helicopter In an interstellar first, NASA plans to send a helicopter to Mars. US & World Videos 5:28 Biden condemns antisemitism as attack on democracy during Holocaust remembrance speech 1:20 Would you put pickles in your Dr Pepper? 2:46 FBI gives shocking details in case against man accused in wife's disappearance in Spain 1:20 Gigi Hadid wows in sweeping Met Gala look 1:52 Amanda Seyfried reveals her kids' reaction to her daring metallic Met Gala look