Meet Rob Navias: Public Affairs Officer and Mission Commentator  

Editor’s note: This interview was conducted in October 2023.  As the International Space Station approaches 25 years of continuous human presence on Nov. 2, 2025, it is a meaningful moment to recognize those who have been there since the beginning—sharing the remarkable achievements of human spaceflight with the world.    If you have ever witnessed the […]

Europa: Ocean World

Scientists think there is an ocean within Jupiter’s moon Europa. NASA-JPL astrobiologist Kevin Hand explains why scientists are so excited about the potential of this ice-covered world to answer one of humanity’s most profound questions.

Alien Ocean

Explore This SectionScienceEuropa ClipperAlien OceanEuropa Clipper HomeMissionOverviewFactsHistoryTimelineScienceGoalsTeamSpacecraftMeet Europa ClipperInstruments Assembly Vault PlateMessage in a BottleNewsNews & FeaturesBlogNewsroomReplay the LaunchMultimediaFeatured MultimediaResourcesAbout EuropaWhy Europa?Europa Up CloseIngredients for LifeEvidence for an Ocean  To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoCould a liquid water ocean beneath the surface of […]