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

Full-frame image release cadence survey

The TESS team are exploring options for making TESS full-frame image (FFI) data available more rapidly. To help us plan these activities we would greatly appreciate anyone interested in TESS FFI data to fill out this short survey. Our intention is to understand the value of making FFI data available ...

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Update on TESS data availability at MAST

In order to better inform the community of the arrival times of the TESS data into the archive, the MAST has changed how and when it will announce the arrival of new TESS data. A few days before the data ingest begins, the date will be placed on the TESS ...

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Announcement of the TESS Extended Mission

After TESS completes its 2-year prime mission in July 2020, TESS will officially be continuing operations as part of an extended mission! TESS will continue scanning the sky in the extended mission for transiting exoplanets and other transients. As part of this extended mission, Guest Investigator proposals will continue to ...

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