On Saturday, June 7, 2025, from 09:00 AK to 17:00, MAST will be hosting a data challenge workshop at the AAS 246 in Anchorage, AK.

This one-day workshop is an opportunity to learn about the next generation of MAST's data access tools: cloud platforms. The workshop will use ...

Welcome TESS followers to our latest news bulletin!

This week, we are looking at three recent papers from the archive. Enjoy!

First, we highlight a search for exoplanetary ring systems around TESS planet candidates. While rings are common in the Solar System, and have been observed around both the gas ...

Welcome TESS followers to our latest news bulletin!

This week, we are looking at three recent papers from the archive. Enjoy!

First, we highlight a study evaluating the accuracy, reliability, and completeness of TESS-derived stellar rotation period measurements by comparing them with measurements from the K2 mission. The authors cross-matched ...

TESS temporarily paused science observations on April 16 after a star tracker issue. Science observations resumed April 20. The spacecraft is in good health. To see how the interruption may affect your science targets, you can use the TESS-point Web Tool.

The TESScut service at MAST generates cutouts of TESS full-frame images (FFI) time series for a region of the sky. Until now, users could select whether to generate cutouts using SPOC or TICA products. The SPOC products are the official mission FFIs, and the TICA products are a quick-look alternative ...