Jessica Meir
@Astro_Jessica
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NASA Astronaut. Comparative physiologist. Mother. Explorer. Nature lover. 205 days on @Space_Station. #Expedition61 #Expedition62
Houston, TX
Joined June 2013
Gearing up for some serious science on the @Space_Station! This version of the BioCell (designed and manufactured by @BioServeST) supports the culture of organoids and has been used successfully for past research with brain and heart organoids on board the @Space_Station. It’s a
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Solid teamwork, crew bonding and relationship building (the “soft” skills) are as important as the technical skills we learn flying a spacecraft at @SpaceX @NASA. Luckily for me, my Crew-12 crewmates (@Soph_astro & @astro_hathaway) make this as easy and joyful as an afternoon
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Before the holiday break, I practiced my Moon 🌖 landing skills for a neuroscience experiment at @NASA_Johnson. I’ll do these sessions before my launch, while on @Space_Station, and after returning to Earth 🌍 to better understand the effects of gravitational transitions on an
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12 months, 365 days, and more than a million photos later! 📸 Here's to another year of groundbreaking research aboard the International Space Station, from human research to space science and everything in between! Relax and rewind with imagery highlights from 2025. ⬅️
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Now that our @NASA @SpaceX Crew-12 announcement is official, full-time training is underway at our house! Preppin’ for @Space_Station life….fun fact, that’s an actual @Space_Station drink bag in my daughter’s hand.
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Introducing the patches for our upcoming mission. Crew-12 will launch on the SpaceX Dragon to join Expeditions 74 and 75 on the @Space_Station.
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The European Enhanced Exploration Exercise Device (E4D) is a new piece of exercise equipment developed by @esa and the Danish Aerospace Company for future space exploration like @NASAArtemis Gateway missions. It is capable of resistive exercise (weight lifting), cycling, rowing
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NASA Shares SpaceX Crew-12 Assignments for Space Station Mission https://t.co/bgj3ejy1rk via @NASA
nasa.gov
As part of NASA’s SpaceX Crew-12 mission, four crew members from three space agencies will launch no earlier than Sunday, Feb. 15, 2026, to the International
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Tune in for Take 2 today! Broadcast (with yours truly!) starts at 3:00 pm ET. Godspeed Crew-10!
Another great day for a launch! 🚀 Watch as @NASA’s @SpaceX Crew-10 launches to the International @Space_Station today, March 14 at 7:03 p.m. ET. Watch live on NASA+: https://t.co/Nc03aVWf9S
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Can't stop, won't stop going to space 🚀 NASA's @SpaceX #Crew10 mission is scheduled to send four new crew members to the @Space_Station at 7:48pm ET (2348 UTC) on Wednesday, March 12. Live coverage starts at 3:45pm ET (1945 UTC)—watch with us here on X.
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NASA&SpaceX Crew-10 Launch https://t.co/uzmmPvkkZt via @NASA Tune in tomorrow - so looking forward to be one of the hosts at @NASAKennedy!
plus.nasa.gov
Coverage of the Launch of the NASA/SpaceX Crew-10 Mission to the International Space Station (Launch is scheduled at 7:03 p.m. EDT).
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https://t.co/soRLlyavEI Tune in this Friday at 12:15 EST to hear more about our @NASA_Astronauts missions to @Space_Station and beyond!
exploringbytheseat.com
From 2000 to 2003, Jessica worked for Lockheed Martin’s Human Research Facility (NASA Johnson Space Center), supporting human physiology research on the space shuttle and International Space Station....
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Launching into the new year in style at @NASA_Johnson! Thanks to a stellar team of suit engineers and technicians, today we assessed my fit in different sizes of the #spacesuit we use on the @Space_Station. Always good to maximize your options.
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Moonwalkin’ into Monday! Some footage from a recent evaluation I participated in here at @NASA_Johnson in the @NASA government reference model lunar spacesuit. Here I’m attached to a special system called ARGOS which offloads my suit and gives me that 1/6 gravity lunar sensation
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We have a few different uniforms as @NASA_Astronauts, but the spacesuit that we use for spacewalks on the @Space_Station is of course a fan favorite! Great day of teamwork training suit-up and spacewalk prep activities with @zenanaut and @Astro_ChrisW last week at @NASA_Johnson!
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We @NASA_Astronauts vote, whether we’re on the ground or in space on the @Space_Station! Get out and vote - let your voice be heard!
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This week we sampled various foods from our @NASA_Johnson food lab. I must report that we don’t actually have any freeze dried “astronaut ice cream”, but we do have a huge variety of tasty options. Some of my favorites: Turkish fish stew, Indian fish curry, honey ginger fish,
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History made today with the first ALL JESSICA flight in a @NASA #t38! Thanks @Astro_Wittner for a smooth ride! Great day exercising our formation flying skills with @astro_hathaway and @Astro_Woody!
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It was our pleasure @MickJagger, thank you for being such engaging, kind and incredible guests! We hope to see you again at @NASA_Johnson! You’re certainly welcome to hang with @NASA_Astronauts anytime!
Thanks @NASA for being so welcoming to us and great to be shown around by astronauts Josh Cassada, Bob Hines and Jessica Meir.
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Four years ago yesterday the Soyuz capsule carrying @gctc_ru OlegSkripochka, @AstroDrewMorgan and me touched down back on our home planet. Reflecting now on our incredible mission, and how much my life has changed since then. Squeezed inside our capsule like a baby in the womb, I
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