Science Missions - NASA Science

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Featured Missions

Our mission milestones showcase the breadth and depth of NASA science.

All Science Missions

An artist's rendering shows a small spacecraft in orbit around Earth.

SPHEREx

Launching no earlier than February 27, 2025, SPHEREx will collect data on more than 450 million galaxies along with more than 100 million stars in the Milky Way

More about SPHEREx

The Earth fills the left side of the image. Above it, four satellites in a line can be seen. In the background, the bright Sun shines.

PUNCH

Launching no earlier than Feb. 27, 2025, PUNCH is a constellation of four satellites in low Earth orbit that will make 3D observations of the entire inner heliosphere to learn how the Sun’s corona becomes the solar wind.

More about PUNCH

3 spacecraft are shown on an equally spaced on orbit path above the earth showing the north america visible below.

GeoXO

GeoXO will advance observations of Earth’s weather, atmosphere and ocean for short-term forecasts and warnings and long-term planning for the effects of our changing planet.

More about GeoXO

Featured Video

NASA’s PUNCH Mission

NASA’s Polarimeter to Unify the Corona and Heliosphere, or PUNCH mission, is a constellation of four small satellites in low Earth orbit that will make global, 3D observations of the Sun’s corona to better understand how the mass and energy there becomes the solar wind that fills the solar system.

Learn more about PUNCH

NASA Science Fleet Chart

NASA Science missions circle the Earth, the Sun, the Moon, Mars, and many other destinations within our Solar System, including spacecraft that look out even further into our universe. The Science Fleet depicts the scope of NASA’s activity and how our missions have permeated throughout the solar system.

Download the Science Fleet Chart

An infographic displaying NASA’s Science Fleet with missions organized around their objects of study. The graphic includes both operating and future missions. A key denotes missions by color with Heliophysics missions in yellow, Earth missions in green, Astrophysics missions in blue, Planetary missions in purple, and Biological and Physical Sciences missions in orange.

Updated July 2024