Explore This SectionScienceExoplanetsTOI-3757 bExoplanets HomeExoplanets OverviewExoplanets FactsTypes of ExoplanetsStarsWhat is the UniverseSearch for LifeThe Big QuestionsAre We Alone?Can We Find Life?The Habitable ZoneWhy We SearchTarget Star CatalogDiscoveriesDiscoveries DashboardHow We Find and CharacterizeMissionsPeopleExoplanet CatalogImmersiveThe ExoplaneteersExoplanet Travel Bureau5 Ways to Find a PlanetStrange New WorldsUniverse of MonstersGalaxy of HorrorsNewsStoriesBlogResourcesMultimediaGlossaryEyes on ExoplanetsGet InvolvedExoplanet WatchMoreFor Scientists TOI-3757 bUnable to render the provided sourceA gas giant exoplanet with the density of a marshmallow has been detected in orbit around a cool red dwarf . Keep Exploring Discover More Topics From NASA Search for Life Stars Universe Black Holes