Science & Spaceflight

8,510 topics in this forum

1. SpinLaunch reloaded

   By darthgently, April 4   

   • Spinlaunch
   • 4 replies
   • 186 views
   • 
   • darthgently
   • April 5

2. Lilliputians... How Practical From a Physics Point Of View?

   By Spacescifi, April 3
   • 6 replies
   • 151 views
   • 
   • darthgently
   • April 4

3. Fram2

   By darthgently, April 2   

   • spacex
   • polar
   • 7 replies
   • 265 views
   • 
   • totalitor
   • April 4

4. What Would A Scifi Antimatter/Matter Reactor Be Like? 1 2

   By Spacescifi, March 31
   • 29 replies
   • 530 views
   • 
   • Spacescifi
   • April 4

5. Boeing's Starliner 1 2 3 4 57

   By Kryten, September 2, 2015
   • 1.4k replies
   • 115.8k views
   • 
   • CBase
   • April 3

6. JAXA (& other Japanese) Launch and Discussion Thread 1 2 3 4 15

   By tater, August 19, 2017
   • 355 replies
   • 35.8k views
   • 
   • SunlitZelkova
   • April 3

7. OSIRIS-REx Asteroid Sample Return 1 2 3 4 30

   By IonStorm, March 29, 2016   

   • nasa
   • osiris-rex
   • 742 replies
   • 105.5k views
   • 
   • .50calBMG
   • April 3

8. European Space Agency (ESA) Thread 1 2

   By RCgothic, November 7, 2023
   • 36 replies
   • 2.6k views
   • 
   • AckSed
   • April 1

9. isar aerospace 1 2

   By tater, March 28, 2023
   • 29 replies
   • 1.2k views
   • 
   • darthgently
   • March 31

10. Do We Have Enough Time To Colonize Space Before The Sun Burns Out? Also The Year 2125.. Let's Talk About That...

    By Spacescifi, March 29
    • 24 replies
    • 590 views
    • 
    • magnemoe
    • March 31

11. Quarantine Enforcement Platform(subnautica spoiler alert for entire topic)

    By d4s_over_dt4, March 31
    • 1 reply
    • 89 views
    • 
    • d4s_over_dt4
    • March 31

12. totm apr 2025 Propeller Flight Not Found In Nature... What If It Was? Would It Compete Well With Wings Or Not?

    By Spacescifi, March 27
    • 14 replies
    • 327 views
    • 
    • magnemoe
    • March 29

13. Amateur Radio Discussion thread

    By umbra humanus, March 29
    • 0 replies
    • 60 views
    • 
    • umbra humanus
    • March 29

14. Gravitics (space station startup) 1 2

    By tater, March 8, 2023
    • 39 replies
    • 2.8k views
    • 
    • DAL59
    • March 28

15. Chinese Space Program (CNSA) & Ch. commercial launch and discussion 1 2 3 4 105

    By tater, October 9, 2017   

    • cnsa
    • china
    • 2.6k replies
    • 217.3k views
    • 
    • DAL59
    • March 28

16. RocketLab Discussion Thread 1 2 3 4 61

    By Kryten, February 16, 2017
    • 1.5k replies
    • 133.2k views
    • 
    • darthgently
    • March 28

17. Soyuz is still the best rocket

    By CombatPilot-1, March 24
    • 15 replies
    • 409 views
    • 
    • CombatPilot-1
    • March 27

18. The James Webb Space Telescope and stuff 1 2 3 4 35

    By Streetwind, November 3, 2016   

    • jwst
    • james webb space telescope
    • (and 1 more)

       Tagged with:

      • jwst
      • james webb space telescope
      • astronomy
    • 871 replies
    • 78.3k views
    • 
    • Minmus Taster
    • March 26

19. F-47 Discussion Thread 1 2

    By Mars-Bound Hokie, March 23   

    • usa
    • generation
    • (and 3 more)

       Tagged with:

      • usa
      • generation
      • fighter
      • drone
      • f47
    • 29 replies
    • 1.1k views
    • 
    • DDE
    • March 26

20. Air Force planning on funding point-to-point rocket cargo transport.

    By Exoscientist, March 24
    • 6 replies
    • 219 views
    • 
    • SunlitZelkova
    • March 25

21. Mars Direct Mission by Dr. Robert Zubrin 1 2

    By TomKerbal, December 17, 2024   

    • mars
    • realism overhaul
    • (and 1 more)

       Tagged with:

      • mars
      • realism overhaul
      • science
    • 36 replies
    • 1.8k views
    • 
    • TomKerbal
    • March 25

22. Egg Laying Humanoids... What Would Physics Allow For?

    By Spacescifi, March 15
    • 12 replies
    • 266 views
    • 
    • RCgothic
    • March 25

23. Plausibility Based On Energy Required For Scifi Feats Only. .

    By Spacescifi, March 22
    • 4 replies
    • 150 views
    • 
    • Nuke
    • March 25

24. ISS Discussion Thread 1 2 3 4 20

    By NSEP, October 31, 2018
    • 481 replies
    • 39.6k views
    • 
    • darthgently
    • March 24

25. Firefly Aerospace Discussion Thread 1 2 3 4 9

    By Ultimate Steve, May 3, 2018
    • 215 replies
    • 20.8k views
    • 
    • tater
    • March 24