TESS mission

The Transiting Exoplanet Survey Satellite (TESS) is a two-year survey that will discover exoplanets in orbit around bright stars.

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Proposing science

The TESS Guest Investigator Program is an annual call where scientists can propose new observations and receive funding and support.

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Data access

Access data, documentation, data analysis software, and find information on the follow-up observing program.

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News for scientists

Cycle 3 selected programs announced

On July 4, 2020 TESS will begin its extended mission. This also marks the beginning of Cycle 3 of the TESS GI program. There are a number of changes in how TESS operates that start with Cycle 3, including a new 20-s cadence mode, all FFI data being taken at ...

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First TESS Weekly Bulletin

STATUS UPDATE: Sector 23 data went live at MAST this week and we are currently observing in Sector 24 until May 12.

Welcome TESS followers! We here in the TESS GI office plan to issue weekly news bulletins to keep you informed of all things TESS related and to also ...

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