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We are in the process of porting over all of the pages. If you can't find something you are looking for, check the legacy site

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Maximizing scientific accessibility and productivity of astronomical data.

The Mikulski Archive for Space Telescopes (MAST) is a NASA funded project. We provide a variety of astronomical data archives focused on scientific data sets in the optical, ultraviolet, and near-infrared parts of the spectrum. MAST is located at the Space Telescope Science Institute (STScI).

Access MAST Data

Missions

See All Of MAST's Missions and Data Collections!

HST - Hubble Space Telescope

JWST - James Webb Space Telescope

TESS - Transiting ExoplanetSurvey Satellite

High Level Science Products

News

Read our Newsletters

We have all MAST Archive News articles published since 1997. They include information about new data products available on our archive, new or improved site features for our numerous web pages, or general information highlighting topics you might not be familiar with.

Latest MAST News

Mission Update: #TESS Sector 27 Data Release Notes (archive.stsci.edu/missions/tess/…) and the updated Science Data Products Description Document (archive.stsci.edu/files/live/sit…) now available. FFIs will continue to ingest over the weekend, with TESSCut and light curves coming out shortly after.

Mission Update: #TESS Sector 27 ingest started this morning. We expect FFI’s to begin appearing on the public disk sometime tonight, bulk downloads and TESSCut service we aim to have updated tomorrow.

Mission Update: #TESS Sector 27 FFI’s will start ingest on the morning of Thursday Sept. 17th, including addition to TESSCut. After FFIs are completed, light curves and target pixel files are expected to start ingest soon after. Follow outerspace.stsci.edu/display/TESS/T… for status.

Three @stsci scientists spent their time in isolation using @HubbleTelescope data to understand the universe through sonification—converting that data to sound: wypr.org/post/space-son… #hubble #Space #Science

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Maximizing the scientific accessibility and impact of astronomical data

Welcome to the Beta version of the new MAST website!

Missions

High Level Science Products

News

Latest MAST News