72 Could aliens colonize Earth without realizing humans are people too? 2016-12-22T18:09:03.583

62 An Earth-like planet is found in another solar system. What are the top priorities after landing in order to create a self-sustaining colony? 2020-01-14T11:45:39.267

61 A city to last ten million years: Construction 2015-03-19T12:11:27.860

57 Where in the solar system is the most viable place to put my colonists, after Mars and Luna? 2014-10-13T09:41:00.543

36 Colonizing the galaxy by slow boating reality check 2018-02-01T06:02:15.303

33 I'm stranded on an alien planet. How can I tell what's good to eat? 2015-09-26T16:03:56.420

33 Could the Romans have colonised the New World? 2017-09-17T17:52:29.043

25 Making a Planet Seem Uninhabitable 2016-12-07T16:33:25.333

24 For how long can I hide the discovery of a new continent? 2018-08-24T09:23:31.953

21 Motivations for interstellar colonizations 2014-11-28T21:26:02.263

17 How long would it take to terraform a lifeless but somewhat earthlike planet using bacteria, fungus, seeds and eggs? 2014-12-21T17:29:48.713

17 Planetary colonization by a female crew 2015-08-12T10:11:09.107

17 How much would a language change over 500 years completely cut off from its source? 2019-12-18T06:45:18.063

16 Interstellar commerce: why would planets be valuable? 2015-02-23T23:15:15.337

15 Wouldn't building down make more sense when colonizing a dead planet? 2014-10-17T23:37:44.443

15 What are the most important raw resources for a human colony? 2015-05-18T13:37:58.927

15 How to colonize this planet? 2018-03-21T20:40:10.367

14 Would a civilization that is trying to colonize a landless world be able to do so? 2014-10-05T21:48:42.080

13 How long would a Martian colony take to gain independence? 2015-01-26T19:30:39.357

13 Could a Megacity be a Penal Colony? 2018-04-02T16:39:54.493

13 Efficient way to transport a Stargate 2019-03-28T01:44:55.230

13 Could you live in underground lava tubes on Venus? 2019-05-16T01:02:41.940

12 How would human societies change after being confined on large interstellar transport ships for several generations? 2015-03-10T03:45:52.643

12 How big a population can the solar system support considering only power and living space? 2017-05-30T09:32:59.377

12 Given our current knowledge of exoplanets, approximately how many planets have earth-like gravity in a galaxy the size of the Milky Way? 2017-07-13T01:43:17.817

11 Could Mars-colonized humans survive a return to Earth? 2014-11-04T02:41:19.793

11 Rapid Planetary Colonization: How to Build a City, Fast 2015-04-09T15:56:11.893

11 What does my moon colony need? 2015-09-29T04:00:04.117

10 What are the minimum local environment requirements for a human colony? 2015-01-09T12:46:52.180

9 How long does it take before dialects branching from a single language become new languages themselves? 2016-02-18T18:02:24.503

8 The Space Race - Do we remain countries or unite? 2015-02-06T09:47:42.597

8 A city to last ten million years: Location 2015-03-19T12:23:46.597

8 Building a Base on the surface of a planet like Venus 2015-03-19T19:52:53.697

8 Death from old age stopped, with expansion to new worlds to handle population growth 2015-06-26T14:51:14.597

8 How to blanket moon with a permanent atmosphere? 2015-09-30T04:34:25.433

8 Planetary Colonisation; how to retain ethno-racial appearances over millennia? 2016-08-14T18:04:41.607

8 The Great Oxidation Event...Artificially Imposed on a Tharn-Like Alternate Earth 2019-11-19T15:19:01.753

7 Interstellar commerce: how easy would it be to find sources of potable water in space? 2015-02-20T03:47:26.860

7 What technical expertise would be required to create a sustainable colony? 2015-02-22T03:59:43.310

7 How to increase the population growth of the human race 2016-10-01T19:07:00.500

7 Earliest possible colony in the Americas? 2017-11-23T11:16:09.417

7 How high in the sky are you safe? 2018-04-11T20:42:47.117

7 Colonies in giant caves 2018-10-31T15:51:49.870

6 Interstellar commerce: how accessible are oxygen sources in space? 2015-02-20T04:34:18.910

6 What way to go about interstellar colonization is likely to be the first one technically and monetarily feasible? 2015-03-12T12:10:01.473

6 A city to last ten million years: Maintenance 2015-03-19T12:25:40.990

6 What is a realistic growth rate for a space colony? 2017-01-10T20:27:11.597

6 How does an infantry battalion combat a Blood Shaman? 2018-02-07T13:45:09.537

6 Practicality of lighter-than-air aircraft for temporary agricultural irrigation? 2018-08-15T03:28:28.027

6 Conquering the Galaxy with DNA - What is the best vector? 2019-01-23T10:52:08.367

6 How fast would a civilization with FTL spread out? 2019-12-22T22:43:10.407

5 Terraforming a low oxygen Earth-like planet 2017-04-18T17:12:38.383

5 How would Mars' orbit be affected if it had double its mass? 2017-10-22T20:33:43.847

5 How long might it take a new planetary colony to achieve technological parity with their starting civilization? 2018-01-25T16:50:42.697

5 We Have Successfully Established Plants and Insects on Mars. How Long Will It Take Them to Colonize the Entire Planet? 2019-09-10T23:34:33.590

4 What would a lunar calendar look like? 2015-01-16T19:35:06.573

4 What average percentage of settlers is required to ensure the supply of food? 2015-05-28T08:06:55.940

4 What would the facilities of a Moon colony look like? 2015-07-11T22:16:30.910

4 Colonizing a fresh Earth : where to place the first settlements? 2015-09-16T11:30:16.190

4 What size does a subterranean base have to be for "natural" weather? 2016-06-17T03:37:00.730

4 Is this 3D Printing/ Molecular Bonding/ Reconstructing realistic? 2016-06-24T07:33:40.403

4 Colony Ship ... Ship 2016-09-30T06:14:05.890

4 Resources to possess, and restrict in asteroid belt 2016-12-17T00:57:33.893

4 If vikings had settled in Newfoundland, how fast would technology travel? 2017-01-06T00:46:09.513

4 Why wouldn't a human colony that lost its technology mine for metals or use electricity? 2017-06-01T20:56:00.977

4 Using liquefaction of gases to make an habitable dome 2017-06-24T21:50:09.730

4 Preparing human colonists for a desert planet with a red giant 2018-01-28T06:28:36.840

4 What if Great Britain never took over the Dutch Cape Colony in 1806? 2018-04-23T12:18:12.323

4 The optimal professional mix for a space colony 2018-04-27T20:12:30.383

4 Colonizing Earth 2019-05-31T01:39:02.687

3 Would dinosaurs render a planet unfit for colonization? 2015-01-23T23:49:13.937

3 Time required for isolated colonists to forget about their origin 2015-02-23T16:22:51.710

3 What happens if a colony needs a specific supplement to survive? 2016-03-18T18:23:41.940

3 How to fly around the Martian thin layer of sky without burning holes in our pockets? 2016-10-13T00:53:04.763

3 How will the first New Martians evolve? 2017-01-02T15:27:03.007

3 Cardinal direction names at a north polar moon base? 2017-12-14T21:53:42.407

3 Could anabolic steroids be used among colonists in a low gravity environment to prevent extreme atrophy? 2018-02-16T12:37:04.087

3 Immune resistance to biological colonisation 2018-03-01T11:46:24.013

3 Ratio of passengers to cargo on colony flights 2018-03-06T16:06:16.637

3 Effect of sunset-like sky colors on human psychology 2018-08-25T08:49:23.387

3 Underwater Farming 2018-11-02T19:43:27.160

3 Ships as survival world (post-apocalyptic world) 2019-01-14T19:53:58.737

3 Beer Goggles in the Antarctic 2019-02-07T18:14:35.870

3 Sleep Cycles on very fast and very slow rotating worlds Part 2 2019-10-24T00:07:06.803

3 BCS: Chola Empire colonizes Australia? 2019-11-20T18:31:02.600

3 200 commoners of varying gender/age from 1750 Europe are marooned in a strange land. What does population growth look like? 2020-01-02T16:04:57.187

2 How many people would it take to repopulate the Earth? How large would the population get before degradation? 2015-07-14T09:23:33.120

2 What would the fastest way for microscopic humanoids to spread across the world? 2016-03-10T23:57:19.653

2 Planetary immolation 2016-06-16T18:31:47.533

2 Population of a de-novo human colony in 1,000 years on an Earth-like planet 2016-07-25T00:42:48.637

2 What Asian Nations would have the capacity to colonize the New World? 2016-09-13T19:43:53.137

2 How do I convince Edo-Japan to colonize the West? 2016-09-26T17:10:02.720

2 How do I make the colonialism of my world believable? 2016-10-02T20:36:01.780

2 Stopping Glaciers and Colonizing a Super Antarctica 2016-10-03T02:37:06.297

2 Planetary immolation part 2: gamma radiation blast 2016-10-05T21:15:05.630

2 Baby defects: Complicated system 2016-11-13T03:10:33.473

2 How long would it take for a humanoid race at the technical level of the 1500s to gain control of an entire Earth-sized planet? 2017-04-10T00:32:12.437

2 Best Northern Australia location for a colony in 1700 2017-04-30T07:21:03.613

2 Terraforming Mars, Hellas Planitia with comets at Mars L1 2017-09-21T20:53:25.290