Newly released images show Marines conducting training exercises as the U.S. ramps up pressure on Venezuela. It comes as The New York Times reports Pres. Trump signed off on additional covert CIA operations in Venezuela. Matt Rivers reports. https://abcnews.go.com/ | ABC World News Tonight with David Muir

An investigation is underway after an 18-year-old high school senior died aboard a Carnival cruise ship. Detectives are reviewing video from the ship and interviewing passengers as the victim's family searches for answers. David Muir reports. https://abcnews.go.com/ | ABC World News Tonight with David Muir

Dazzling waves of color are lighting up the skies coast to coast for the second night in a row in the U.S. Americans from Colorado to Texas are sharing their images of the northern lights display. David Muir reports. https://abcnews.link/doOvozW | ABC World News Tonight with David Muir