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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.

The bright, dusty band of the Milky Way galaxy stretches across a star-filled night sky. In the foreground, a rustic wooden fence and a closed metal gate stand on a grassy field, with dark hills silhouetted in the distance.

Adopt a Pixel

OVER 600,000 PIXELS CLAIMED. Did you get yours? Claim your pixel on one of the first images from NASA’s Nancy Grace Roman Space Telescope! When Roman captures its first images, each pixel will represent a piece of the cosmos never seen before at this resolution. Claim your pixel and be part of this historic moment!

Adopt Yours Now about Adopt a Pixel
Nancy Grace Roman Space Telescope with large dark sunshields floating against a bright purple field of stars and galaxies.

Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

Where’s Roman?

Featured Missions

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

IMAP

Launched September 24, 2025, IMAP will help researchers better understand the boundary of the heliosphere, a huge bubble created by the Sun surrounding and protecting our solar system.

Artist's concept of Pandora viewing a transiting exoplanet

Pandora

Pandora is a small satellite designed to characterize exoplanet atmospheres and their host stars. It is slated to observe at least 20 different planets during its one year of science operations.

Dragonfly on the ground

Dragonfly

Dragonfly, the first-of-its-kind rotorcraft to explore another world, will fly to various locations on Saturn’s moon Titan and investigate the moon’s habitability.