Mike Massimino

From orbit: Launch was awesome!! I am feeling great, working hard, & enjoying the magnificent views, the adventure of a lifetime has begun!

Space has a way of teaching you what really matters. In high-stakes environments, the best outcomes don't come from technology alone. They come from exceptional teams using great tools with discipline and purpose. That was one of my biggest takeaways from #AssortAscend2026. It was energizing to spend time with healthcare leaders who are applying those same principles to one of the hardest challenges there is: making care more accessible and more reliable for patients. Congratulations to @assort_health on a fantastic event, an exciting Series C, and the road ahead.

Enjoying the beauty of America- the giant redwood trees of Northern California - during a wonderful Fourth of July weekend!

"A Long Island kid who loved Charlie Brown and the New York Mets would one day repair the Hubble Space Telescope." Yep - that's me. Learn more by reading this very niece piece in the latest edition of @smithsonian @airandspace's "Air and Space Quarterly": airandspace.si.edu/air-and-space-…

Enjoying the sights of Paris - Eiffel Tower, Arc de Triomphe, Matisse exhibit, and finished the day with a night at the opera - a perfect day in one of the most beautiful cities in the world, very grateful for the opportunity to visit!

I’m looking forward to moderating this discussion about @blueorigin, lunar exploration, and more with @JeffBezos and @davill tomorrow at @VivaTech in Paris!

Looking forward to being a part of this conversation in Paris this week!

The next Artemis crew and what’s next for our exploration of the moon were among the topics discussed during my interview this week with @NBCNews

Science is Curiosity on a Mission: It includes all of us who ask "why" and make it our mission to find out. These are the discoveries that move the country forward. The pursuit of ideas that seemed impossible until they weren’t. #CuriosityOnAMission

My segment on @CNN's "American on Purpose" with @CraigyFerg premiered this weekend (catch it tonight at 8 eastern and on the CNN app) . I talk about how the courage of my immigrant grandparents created opportunities for me and my family, and how that courage led to amazing accomplishments by our country including the exploration of space.

I am amazed by the sheer size of The Great Wall of China - stretching over 13,000 miles (21,196 km) and built across more than 2,000 years. I am grateful I had the opportunity to visit and experience a small section of it.

Honoring all those who made the ultimate sacrifice in defending our freedom and their families today on Memorial Day

Today I visited one of the most amazing places I have ever seen on the planet - the Terracotta Warriors in Xi’an, China - a UNESCO World Heritage site housing thousands of life-size unique clay soldiers created in 246–210 BCE

Happy Year of the Horse! My first visit to Shanghai, an amazing city, to me it looks very futuristic. The highlight was speaking to and meeting the students at WLSA Shanghai Academy, a World Leading Schools Association school.

This feedback warms my heart, thank you @landisgyr for the opportunity to inspire your amazing audience!: “What an unforgettable keynote from Michael Massimino at Exchange 2026! Mike shared personal stories and lessons from his time as a NASA astronaut that translate directly to the challenges that we face on Earth. His message resonated across the audience: when the mission changes, you adapt and find another way forward. In environments defined by uncertainty and complexity, progress depends on flexibility, resilience, and the willingness to rethink what’s possible. As utilities continue navigating modernization, rising demand, and a rapidly evolving grid, those lessons feel especially relevant. The path forward won’t be linear—but it will be shaped by how quickly we can learn, adjust, and act. A special thank you to Vodafone for sponsoring our keynote presentation.”

How NASA Handles Emergencies in Space (along with other topics) were discussed during my on-camera interview on the latest episode of "Authorized Account" with @BusinessInsider: youtube.com/watch?v=gv7SKK…

It was a pleasure working with the team at @Cboe Global Markets - a leading global financial exchange operator - to deliver the keynote at Cboe’s 2026 Risk Management Conference in Nashville. The audience comprised of 200 global financial leaders dealing with change and volatility in financial markets - to me that sounds a lot scarier than flying in space! @caaspeakers

I was greatly honored this past weekend to receive the 2026 Common Wealth Award for Public Service in the area of Science. When I saw the list of past winners, I thought they made a mistake, called them, and found out they were serious - it is huge honor. I also enjoyed spending time with fellow honorees actress Jane Seymour and Philadelphia Eagles radio announcer Merrill Reese. Thanks to @PNCBank for making it all possible!

I had a wonderful visit to the Nemours Estate in Wilmington, Delaware this weekend, it was like going back in time to the Gilded Age