Meet MAST: Brian Erickson 4 minute read

Welcome to part 2 of our “Meet MAST series”. Check out part 1.This interview is with…

Brian Erickson - Principal Software Engineer

I have been working as a user experience designer for close to 15 years. In that time I have worked with a lot of developers. Brian is top notch. When I hand him a design, he delivers! His attention to detail and polish is unmatched. We often sit down and live-code CSS until it looks just right. He is truly a craftsman!

Here’s an example to illustrate Brian’s commitment to getting the job done right. Brian is the attentive... read more

A New Interview Series: Meet MAST, Julie Imig 6 minute read

I remember how little I knew about MAST when I was preparing for my job interview. STScI is a highly respected institution, and I was inspired by MAST’s mission to make data from more than twenty space missions available to everyone. The opportunity to work at such a renowned place was incredibly attractive.

At the same time, I had never used MAST data in my own research, and I did not know much about space telescopes. MAST felt like a black box to me. I tried to imagine what people at MAST actually did and how everything worked behind... read more

MAST Wrapped 2025 2 minute read

Welcome to “MAST Wrapped 2025”! This post will present some highlights and statistics from this year at MAST.

Chapter 1: Data

Total Number of Files in MAST

This year, MAST surpassed 1 BILLION FILES! This covers over 356,276,560 unique observations from 96 different telescopes - both in space (like HST and JWST) and on the Earth.

A graphic showing the total number of files in MAST: 1,028,642,498. The number of new files added in 2025 was 266,054,606.

New Data Added

MAST is growing VERY quickly: of those 1 billion files, 266 million of them were added in 2025! That’s over... read more