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TESS (Transiting Exoplanet Survey Satellite)

Active Mission

NASA’s TESS discovers exoplanets, worlds beyond our solar system. In the course of its extended observations of the sky, TESS also finds and monitors all types of objects that change in brightness, from nearby asteroids to pulsating stars and distant galaxies containing supernovae.

Type

Space telescope

Launch

April 18, 2018

Wavelength

Visible light

Status

Extended mission
Learn More About Exoplanets
Featured Video

Primary Mission Complete, TESS Extends its Exploration

NASA’s Transiting Exoplanet Survey Satellite (TESS) completed its two-year primary mission and continues its search for new worlds. Learn about some of TESS’s most interesting discoveries so far.

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Latest NASA TESS News

Explore All NASA TESS News
Article
6 Min Read

NASA Research To Be Featured at American Astronomical Society Meeting

Article
4 Min Read

Discovery Alert: A Rare Glimpse of a Newborn Planet

6 Min Read

NASA’s TESS Spots Record-Breaking Stellar Triplets

Article
4 Min Read

Talented Teams Tackle Toasty Planet

Article
5 Min Read

NASA’s TESS Finds Intriguing World Sized Between Earth, Venus

Article

Other TESS News

An object disintegrates as it orbits a star.

MIT: Astronomers Discover Planet That’s Rapidly Disintegrating

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An orange planet orbits a distant star

MIT: Astronomers Spot Highly “Eccentric” Planet Becoming Hot Jupiter

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Columns of planets with different labels

New Catalog Showcases Diverse Exoplanet Landscape with Strange, Exotic Worlds

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