Japan Space Agency: Why We’re Exploring the Moons of Mars

Giant Space Rock Blast Wiped Out Ancient City With 1,000 Times Hiroshima's Ferocity

After completing a three-day mission in space, the crew members of Inspiration4 speak exclusively with Lester Holt about their experience orbiting Earth, what the highlight of the mission was and more.

New film finds 'The Wonderful' aboard the space station: director Q&A