The Science Data Portal is your guide to NASA's collections of open scientific data and tools.

NASA's Science Mission Directorate (SMD) collects science data to reach beyond our current knowledge of the Earth, Sun, Moon, other worlds in our solar system, stars, and the deep universe.

News, updates, and events related to scientific data at NASA.

MAESTRO is a NASA-supported web interface for opacity data that helps researchers learn about exoplanet atmospheres.

Use the Science Discovery Engine (SDE) to search across NASA’s vast stores of science data, publications, code, and tools.

Use the SciX web search tool to explore scientific publications, software, and resources across NASA’s science disciplines.