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Welcome to the Beta version of the new MAST website!

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

New HLSP: stella (Feinstein et al. 2020; @afeinstein20) - set of 100 ensemble models trained using a convolutional neural network. These can be used to predict flares on a #TESS light curve in < 1 minute! A Python notebook shows how to open and read them. archive.stsci.edu/hlsp/stella

We're extremely proud and happy to present the release of ExoCTK v.1.1: the *officially STScI supported* version of the Exoplanet Characterization ToolKit (ExoCTK), live at exoctk.stsci.edu! What do you need to know? What's new? Keep on reading --- it is thread time! 🧵👇

HLSP Update: OPAL (Simon et al.) HST observations from Cycle 27 (2020 observations) of Jupiter, Saturn, and Neptune. Global maps in multiple filters and rotations. archive.stsci.edu/prepds/opal/

New HLSP: PHATAGB (Girardi et al. 2020), a catalog of 937 AGB stars identified in M31 star clusters from HST PHAT observations. In addition to the stellar properties, 3-color finder charts of each M31 cluster are also provided. archive.stsci.edu/hlsp/phatagb

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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