NASA Science
NASA Science seeks to discover the secrets of the universe, search for life elsewhere, and protect and improve life on Earth and in space.
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Featured Missions
Our mission milestones showcase the breadth and depth of NASA science.
Europa Clipper
Launched on Oct. 14, 2024, Europa Clipper’s main science goal is to determine whether there are places below the surface of Jupiter’s icy moon, Europa, that could support life.
Lunar Trailblazer
Launching in 2024, the goal of Lunar Trailblazer is to understand the form, abundance, and distribution of water on the Moon, and the lunar water cycle.
NISAR
Launching in 2025, NISAR will systematically map Earth and study changes to ice sheets, glaciers, and sea ice in fine detail, as climate change warms the air and ocean.
What's Up: November 2024 Skywatching Tips from NASA
This month, catch planetary views of Saturn, Jupiter, and Mars, witness a close pass of the Parker Solar Probe by Venus, and get ready for an occultation of the bright star Spica by the Moon.
More November Skywatching TipsHow NASA’s Lunar Trailblazer Could Decipher the Moon’s Icy Secrets
There’s water on the Moon, but scientists only have a general idea of where it is and what form it…
Read the Story2025 NASA Science Calendar
Download our latest calendar and wallpaper backgrounds for your desktop or mobile device, and discover the fascinating science behind the images featured each month.
Download OptionsNASA Science is Delivering
NASA Science is delivering: every second of every day, of every week, of every year. 2024 is proving to be yet another year of exceptional scientific discovery and achievement. From soft landing back on the Moon a few months ago, to celebrating the Heliophysics Big Year and a Total Solar Eclipse in the contiguous United States, to receiving stunning imagery from James Webb, NASA Science is as busy as ever. Recently launched earth science missions are also providing us unprecedented views of our planet and incredible insight into the health of our oceans and atmosphere, and helping decision-makers improve lives on Earth and safeguard our future. And we are charting a new, sustainable path for Mars Sample Return.
Looking ahead, we have many exciting launches on the horizon. At NASA, we are fortunate that our science and exploration endeavors are inextricably linked and help us discover and innovate for the benefit of humanity. Together, we explore to advance scientific understanding. Ultimately, exploration enables science, and science enables exploration.
The NASA Science team is continuing to deliver for the benefit of all.
By the Numbers
Science is interconnected; no important question stands alone. The Science Mission Directorate (SMD) is an organization where discoveries in one scientific discipline have a direct route to other areas of study. This flow is something extremely valuable and is rare in the scientific world.
Learn More about Science by the NumbersLunar Discovery and Exploration
NASA scientists are focused on studying Earth’s Moon, which holds keys that will unlock a deeper understanding of our planet, solar system, and the origins of life.
Learn more about Lunar Discovery and ExplorationWhat's out there?
Explore our changing planet
Earth is our home, shared with millions of species. Rapid changes like rising temperatures and more frequent extreme weather are transforming our planet. For over 50 years, observations from space and ground have monitored these changes, guiding critical decisions in areas like agriculture and air quality. By understanding how our actions affect Earth's systems, we can help mitigate these impacts. Discover more about how you can make a difference in safeguarding our planet.
Visit the Earth Information Center