You can’t beat NASA’s own Instagram account — which is super active and has over 70 million followers — but if you share the space agency’s fascination with the universe, you can still dazzle your Insta friends with cool NASA captions for Instagram.
Some of the most common reasons to use space and astronaut captions for Instagram include exciting news about NASA missions, trips to NASA’s visitor centers, and dressing up as an astronaut for Halloween. Of course, really good sci-fi stories are another great reason to share your love of all things outer space.
Do you have an awesome picture or video, but are you feeling a bit spaced out when it comes to writing great NASA Instagram captions that your followers will genuinely enjoy reading? Don’t worry, because we’re here to lend a helping hand with a list of ideas that’s nearly as massive as the universe itself. Scroll down to find sweet, exciting, and inspirational NASA captions, as well as some cool space puns for Instagram captions!
How to Write the Coolest NASA Captions for Instagram
Do you have an amazing stargazing photo, or did you spend hours making an uber-realistic astronaut costume for your child’s Halloween party? We’re sure your post will catch plenty of eyes, but one thing is still missing — engaging NASA captions for Instagram to give those space vibes a little extra boost.
How do you get it right? Every space-related post is different, but we bet these tips will get you off to a great start:
- You can never, ever go wrong with space puns for Instagram captions. The sillier, the better! Of course, all the best ideas are already pretty overused, but we’re sure you can come up with some original ideas. Look beyond “space” as a punnable word, and also experiment with “NASA,” “moon,” “stars,” and some of the planets in our solar system!
- Are you a big sci-fi fan? Consider writing astronaut captions for Instagram as if your sci-fi stories are space, and you’re the astronaut exploring them all. This approach works especially well if you’re doing a whole series of posts about space stories.
- Cute NASA Instagram captions with dreamy lines are nearly always a hit, whether you’re visiting a NASA visitor center, a museum with space exhibits, or you’re spending the night stargazing. Be a little mysterious if you dare — because space certainly is!
- Get inspiration from all your favorite sci-fi movies and consider including some famous lines. From “resistance is futile” to “may the force be with you,” well-known quotes are an instantly recognizable way to share your love of all things space.
Still looking for cool NASA Instagram caption ideas? We had great fun brainstorming great lines for your next post, and we bet you’ll be able to find a caption that matches your vibe perfectly in no time at all. Feel free to use our NASA captions as they are or to tweak them to better reflect your own unique writing voice.
NASA Instagram Captions for Selfies
1. Lost in cyberspace and waiting for a handsome astronaut to scoop me up.
2. Current status: Orbiting my own dreamy star.
3. Oh, me? I’m just a space invader invading your space.
4. Stardust in my hair, don’t care.
5. I didn’t wake up like this. I spent all night stargazing — zero sleep.
6. It’s written in the stars.
7. Meanwhile, in a galaxy far, far away…
8. Head in the stars, feet floating above it all in zero grav.
9. Be careful what you wish on, especially when it comes to stars. Some might be supernovae.
10. A little gravity never bothered anyone.
Cool Space Puns for Instagram Captions
11. Space will always play a starring role in my life!
12. I’d buy more NASA merch, but my wallet is turning into a real black hole!
13. Oh, me? I’d post about sci-fi all the time, but my followers get bored, so it’s better to space those posts out.
14. If you ask me, not exploring the stars is just a waste of space.
15. Trying to come up with captions, but I’m spacing out. My mind is blank, like a black hole.
16. No meteorites here. This is a safe space!
17. And you say I’m staring off into space like it’s a bad thing?
18. If it’s any constellation, I also missed the meteorite shower this year.
19. My love for space is real. You could even say it’s astronomical.
20. Give me some space!
Cute NASA Captions for Instagram
21. You’ll always be the number one star in the constellation of my heart.
22. Why get therapy when you can just look up at the stars?
23. In the vast endlessness of the universe, you’ll always be my favorite part.
24. There will always be space for you in my universe.
25. Will you be the final to my frontier?
26. Meet me where rocket science and Netflix collide, and bring popcorn.
27. Space vibes, galactic times, and starry nights.
28. Radiating cosmic vibes and feeling spacey.
29. Let’s explore the stars together, just me and you.
30. I’m boldly going where millions have been before… it’s Star Trek re-run time!
Dreamy Astronaut Captions for Instagram
31. Floating around in my space suit, feeling awesome. Everything is lighter up here.
32. Will you explore the library in the black hole with me, fellow Interstellar fan?
33. Just spacing around feeling dreamy and galactic.
34. Shoot for the stars, but whatever you do, just don’t forget your space suit!
35. Meanwhile, in my own little world, looking up at the stars…
36. My heart always leads me to the nearest telescope.
37. Tales of endless stars and even more planets. Where will we find life?
38. Blessed, not stressed, and always space obsessed — especially with the next meteorite shower coming up!
39. Space is my happy place, and I love seeing all the stars and planets.
40. Just speeding through space on a giant rocky ball. Being human is always an adventure. Some just don’t see it.
Awesome NASA Instagram Captions for Sci-fi Fans
41. If only I could live in my own sci-fi book…
42. Houston, we have a problem. We’re serious space addicts!
43. Sci-fi? I think the movie I’m currently watching is just fi-fi. It’s still fun, though!
44. One small step to my couch… endless hours of binge-watching For All Mankind.
45. Lost in this sci-fi book, found in space.
46. You don’t need to do a Vulcan mind meld to know that I’ll be watching Star Trek tonight!
47. Sci-fi in 3… 2… 1… lift-off! Grab your popcorn and get ready for a wild ride into the depths of space.
48. Keep calm and read sci-fi with a warm cup of tea.
49. Not all who are lost wander. Some just have their head stuck in a big-ass Stephen Baxter book.
50. The sci-fi is strong with this one! Such midi-chlorians!
Adventurous NASA Captions for Instagram
51. Come to the sci-fi side! We have cookies and lots of movies.
52. Adventure is near and space movies are here. Grab your popcorn and your astronaut suit!
53. Life is short, but time really slows down at the edge of a black hole!
54. Starry-eyed and spaced out, especially when Scarlett Johansson is in the movie.
55. Adventure called, so I grabbed my nearest sci-fi book and took a trip.
56. We’re all space travelers when you think about it, speeding through the solar system on a rocky ship!
57. Why wait for adventure to call when there’s a library full of science fiction books ready to explore?
58. Lost among the stars in a universe so fast it’s probably endless, and loving every minute.
59. From small step to giant leap, as long as it involves NASA, I’m here for it!
60. Traveling into the galaxy of your heart.
Lit Astronaut Captions for Instagram
61. Got 99 problems, but that seems like no big deal when you realize there could be as many as 400 billion stars in the Milky Way galaxy alone.
62. Today’s good mood is sponsored by astronaut Chris Hadfield — whose videos always make space look so cool!
63. Astronaut? I astro-can!
64. Floating through space in my dreams… because being an astronaut sounds super cool.
65. Dream big. Not New York big, but Milk Way big!
66. Why bother to keep your feet on the ground when your head is high above the clouds, all the way in outer space?
67. Dreaming of little green men. If there’s water on Mars, who knows what else might be possible?
68. Mark Rober quit his career at NASA to start a YouTube channel. Do you think that can work out the other way around, too? NASA, please offer me a job!
69. It’s not about the destination. It’s about all the stars you encounter along the way.
70. My heart is filled with space and constellations. If only I could be an astronaut.
Inspirational NASA Instagram Captions
71. I’m not sure if you’ve realized the gravity of the situation, but I work at NASA.
72. Let the stars guide you to success.
73. Here’s to the stories that take you all the way to the stars.
74. You don’t have to do big things to be adored. Little Pluto is proof of that.
75. Keep your eyes open, because how can you see the stars if you don’t stare into space?
76. It’s never too late to follow your dreams and head for the stars.
77. Earth rocks, but Jupiter always keeps you gassing.
78. Shoot for the moon, because even if you miss, you might land at the Kennedy Space Center.
79. If you still think the sky is the limit, just look at the International Space Station!
80. Twinkling in the universe like a little star.
Happy Vibes NASA Captions for Instagram
81. Space is my happy place and I’m never sick of the stars.
82. Is it a bird? Is it a plane? No, it is the Johnson Space Center!
83. Astronaut ice cream is my favorite flavor!
84. Relationship status: Forever destined to look up at the stars.
85. I’m so over the moon to be hearing about the latest lunar mission!
86. Twinkles in my eyes, space on my mind. Who’s watching it with me?
87. Happiness is spelled “space,” and you can’t change my mind.
88. If the super massive black hole at the center of the galaxy can keep everything together, we can too, right?
89. Space is out of this world, and I can never get enough of it.
90. NASA freak since childhood, and that’s never going to stop!
Great Quotes for Astronaut Captions for Instagram
91. “Like most astronauts, I’m pretty sure that I can deal with what life throws at me because I’ve thought about what to do if things go wrong, as well as right.” — Chris Hadfield
92. “To confine our attention to terrestrial matters would be to limit the human spirit.” ― Stephen Hawking
93. “If offered a seat on a rocket ship, don’t ask what seat. Just get on.” — Christa McAuliffe
94. “That’s one small step for man, one giant leap for mankind.” — Neil Armstrong
95. “With any luck, by the time NASA’s space probe hits Pluto, you’ll be booking a spaceflight with a privately run suborbital airline.” ― Burt Rutan
96. “I’m sorry this doesn’t make any sense but I’m in space.” — Buzz Aldrin
97. “When I first looked back at the Earth, standing on the moon, I cried.” — Alan Shepard
98. “Not just beautiful, though — the stars are like the trees in the forest, alive and breathing. And they’re watching me.” ― Haruki Murakami
99. “The Universe is under no obligation to make sense to you.” — Neil deGrasse Tyson
100. “We can lick gravity, but sometimes the paperwork is overwhelming.” — Wernher von Braun
Short NASA Captions for Instagram
101. I definitely need my space.
102. NASA vibes only.
103. Keep calm and enjoy looking at the stars.
104. It’s always NASA o’clock when you’re me!
105. Oh, me? I’ll just be over here, staring into space.
106. Miles of smiles and light years of fun.
107. We’re all the stuff of stars. Keep dreaming.
108. Beam me up, Scotty!
109. Ready for take-off?
110. Starlit nights, but don’t forget about the black holes.
Short Space Puns for Instagram Captions
111. My way or the Milky Way!
112. What’s up there on Jupiter is really anyone’s gas.
113. Brace for space!
114. Bored? Make space for more stargazing!
115. So you can’t become an astronaut? Go teles-cope about it!
116. Sure, I’ll give you some space, but I think you’ll need a space suit, too.
117. If you want to take a trip to the Johnson Space Center, you have to planet.
118. I love you all the way to the moon and back, because I’m a luna-tic for you!
119. I love you more than I love space, and that’s NASAying a lot!
120. Telescope? Always. Don’t worry, I’ll wait my Sa-turn!
Creative Writing Prompts for NASA Instagram Captions
Would you prefer to write your own NASA captions for Instagram? Use these prompts as your personal launchpad into space and complete the sentence starters in any way you like. Using writing prompts is an easy way to get those creative juices flowing, and you’ll still end up with a caption that’s uniquely yours.
121. Tales of asteroid belts, exploding stars, and …
122. I’ve always been interested in space, but now …
123. Nothing says space like …
124. Listen up, NASA! I love space and I …
125. If there’s space, there’s …
126. When you have space, everything is …
127. NASA: Because the world wouldn’t be complete without a little…
128. Look up at the stars and …, because the universe is awesome.
129. Space? Well, … because … and …!
130. Alexa, play “Major Tom” and …
FAQ About NASA Instagram Captions
How long should my NASA captions for Instagram be?
That really depends on your post. Space-themed Halloween costumes or interior decorations call for short, catchy captions, but stargazing trips or visits to space museums can be a little longer. Consider turning those moments into travel-journal-style captions with recommendations for all your followers!
What are the best emojis to add to my NASA Instagram captions?
That’s a good question, because Instagram captions with emojis get, on average, 17 percent more engagement than those without. Our favorite space and NASA emojis are 👾, 🪐, 🌞, 🌛, ⭐️, 🤩, 🌟, 🌏️, and 👽️, but look around and see which other ones are relevant to your post!
Can you suggest any good hashtags to include in my NASA and astronaut captions for Instagram?
It’ll come as no surprise that #nasa, #space, #mars, and #astronaut are among the more popular hashtags, but you could also consider #stargazing, #universe, #spaceexploration, and even #spacepuns (if you’re writing space puns for Instagram captions).
