TESS mission

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

More »

Proposing science

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

More »

Data access

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

More »

News for scientists

Successful TESS launch

We are delighted that TESS was successfully delivered into space on a SpaceX Falcon 9 rocket. TESS launched April 18 at 6:51 p.m. EDT from Cape Canaveral Air Force Station, roughly 40 minutes later TESS separated from the second stage. Shortly after, solar arrays were deployed and telemetry ...

More »

TESS launch today!

UPDATE - Now targeting April 18 for launch.

TESS will launch aboard a SpaceX Falcon 9 rocket on Monday April 16 at 6:32 pm from Space Launch Complex 40 at Cape Canaveral Airforce Station! The TESS spacecraft has been fueled and encapsulated in the rocket fairing and the Falcon 9 ...

More »


TESS simulated data available

TESS simulated data is now available to the public at the MAST's TESS data page. There you will find information on the data products, how the data products were created, and how to access the data.

The simulated data, called ETE-6 (End-To-End 6) was created by TESS team members from ...

More »


News archive »