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Maximizing the scientific accessibility and impact of astronomical data

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

We would love your feedback! Share your thoughts by emailing archive@stsci.edu

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
HST - Hubble Space Telescope
JWST - James Webb Space Telescope
JWST drawing
JWST - James Webb Space Telescope
TESS - Transiting ExoplanetSurvey Satellite
TESS - Transiting ExoplanetSurvey Satellite
K2
K2

High Level Science Products

Search HLSP
How to Submit HLSP

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.