76 How many cows would you need to drop on Mars to successfully terraform it? 2019-11-26T03:09:32.670

67 The first McDonald's restaurant on Mars 2018-10-29T09:10:40.017

34 Economic reasons to put people on Mars? 2016-08-23T15:44:59.500

31 Can you design your own plants without a computer? 2017-12-21T02:36:59.300

27 What would the effect be on Earth if Mars disappeared? 2016-08-03T08:56:53.990

23 Could a Mars colony use asteroids as weapons against the earth? 2015-01-19T18:03:38.607

22 Cheapest way to fake the Mars landing 2015-08-19T10:32:11.773

21 How would a Mars colony living in a giant dome protect against rapid decompression? 2018-09-05T20:26:45.927

21 Could a woman survive on mars by wearing a tight fitting, heated shirt, heated leggings, and a full head oxygen helmet 2018-11-19T09:48:12.693

20 If Venus mission finds life, will we shift our attention from Mars to Venus? 2016-01-05T10:24:46.477

20 How do the Martian rebels defeat Earth when they're grossly outnumbered and outgunned? 2019-11-05T16:35:34.500

17 What would a Martian calendar look like? 2015-01-14T20:23:34.077

17 What weapons would likely be used in a Martian war? 2016-02-26T17:54:38.960

17 Would Earth's extraterrestrial colonies have a higher average intelligence? 2016-12-05T15:41:36.177

17 Export economy of Mars 2019-08-03T06:26:40.607

16 What can we do to Mars to give it a survivable atmosphere? 2014-11-16T01:10:28.130

16 How will my nerdy Mars astronauts do battle between their colonies? 2015-08-13T22:21:20.750

16 OK, I cannot fake the Mars landing. Can I fake Martians? 2015-08-23T13:14:20.357

16 Is it possible to genetically modify human lungs to breathe Martian air? 2017-03-22T19:43:51.800

16 Humanity’s first effort at moving a planet 2017-05-08T04:38:07.143

16 How to get down Valles Marineris 2017-08-31T14:32:20.733

15 If somehow Mars suddenly had our exact atmosphere, could there be lots of life in a few million years? 2014-12-13T20:52:53.107

15 What may stop a Mars colony from declaring independence to make the project justifiable? 2016-06-16T13:14:22.027

15 Could intelligent life have existed on Mars while it was habitable? 2016-10-10T02:05:39.380

14 Designing a flag for Mars: drag and proportion 2016-11-15T17:04:40.633

14 Do the moons of Mars have enough gravity to colonize? 2016-12-16T14:18:29.950

14 Would weights in clothing be an adequate way to compensate for low gravity? 2018-09-10T07:06:35.167

14 Inhabiting Mars versus going straight for a Dyson swarm 2019-03-17T23:44:52.343

13 Would it be possible to use geothermal energy on mars? 2017-07-14T11:39:04.243

13 Is it possible to have a Earth-like planet with a red moon, similar to the color of Mars? 2018-05-23T14:32:40.157

12 How can my skeleton be preserved *and* easily found by my Mars Rover 2015-05-15T18:29:55.077

12 Can wind power run heavy weapon factories on Mars? 2016-02-18T10:29:22.240

11 Design me a Mars drone 2015-08-20T13:01:12.937

11 Why would War Of The Worlds happen? 2016-11-16T00:51:35.523

11 Natural subterranean cave formations on Mars 2016-12-07T21:25:02.473

11 How high-def can my TV be without computers? 2018-01-05T14:01:37.370

11 How do I increase air pressure for the planet Mars? 2018-01-09T01:46:51.840

11 How Many Earth-Like Worlds Could Be Made Using Only Material From The Solar System? 2018-02-03T00:54:36.673

11 Feasibility of an 'Oxygen Radiation Zone': a non-pressurized natural formation on Mars that provides suitable atmosphere 2018-02-15T02:03:27.167

10 Is it possible to make high-compressive-strength cement on Mars? 2018-12-01T22:32:27.930

9 How to prove Mars landing 2015-10-14T19:40:10.540

9 What would've had to change in the early solar system for Mars to remain habitable? 2018-02-07T02:17:57.473

8 What is the best practice for (alien) archaeology? 2015-07-30T14:59:06.873

8 Building computer hardware on the Moon or Mars 2015-08-04T21:05:18.757

8 Making Mars bigger 2015-09-23T13:40:07.807

8 Breathable Mars? 2015-09-24T14:38:34.280

8 How could we create a pressure bubble on Mars without walls? 2016-07-19T06:11:39.973

8 Balanced but Factionally Divided Government System for my Mars Colony 2018-04-24T19:06:06.567

8 Can space debris be used as a heat sink for re-entry? 2018-05-05T13:44:45.573

8 How would humans look after living many generations on a terraformed Mars? 2018-11-08T20:41:50.890

7 How can I get soil for my Martians? 2015-08-08T20:43:39.437

7 Shielding Mars from the Solar Wind 2015-09-24T17:28:19.777

7 How can the army government ensure Mars mission success? 2017-02-03T15:21:29.083

7 A world without bacteria 2017-07-18T13:46:48.890

7 How long would an abandoned surface colony on Mars physically last? 2018-03-26T19:16:48.520

7 Dead on Mars: Surviving Bacteria 2019-02-14T10:25:58.467

7 Could a route among the asteroids be built to reach Jupiter's moons once the technology to reach and set up a base in Mars is ready? 2019-02-19T21:27:51.347

6 Underground life on Mars 2015-01-26T13:33:57.847

6 Effective way to recreate a magnetosphere on Mars with current technology 2015-11-21T19:36:49.680

6 Will hypersonic planes be common on Mars? 2016-04-02T12:44:40.407

6 How many nukes are needed to restart Mars' Core? 2017-12-17T23:23:55.460

6 What will Mars astronauts do about Dave? 2018-05-23T11:43:04.933

6 Anchoring a Deimos base 2018-12-26T04:22:38.193

6 Producing solar panels on Mars - what is minimal process required, and the mass to import it? 2019-09-20T16:54:58.440

5 Can I trigger an "ancient device" to start the process of terraforming Mars? 2015-06-03T23:53:55.837

5 If Mars contains coal, will it become a dominant source of energy? 2015-08-26T08:26:32.550

5 Are there any issues with using water as radiation shielding on a Martian colony? 2016-06-03T07:08:56.433

5 How can I escape from a planet like Mars without any modern technological tools such as a rocket? 2016-10-13T10:58:16.253

5 How would we choose which species to populate Mars with? 2017-03-21T22:14:11.603

5 Could Mars' air pressure (assuming terraforming) be high enough to sustain humans without pressure suits but low enough to prohibit flight? 2017-09-01T23:42:49.903

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

5 What edible organisms grown in hydroponics on Mars will create most complete diet? 2017-12-11T16:59:46.823

5 How strong would John Carter really be on Mars? 2017-12-22T03:18:44.913

5 What natural event could strip all of Earth atmosphere? 2018-12-05T09:58:10.593

5 Logical Location for my Secure Martian Datacenter 2019-06-17T02:49:19.560

5 Terraform Mars with Phobos dust? 2019-07-18T11:31:12.957

4 Artificial volcanos on Mars to recover its atmosphere 2015-03-02T03:19:54.880

4 What is the most effective way to build road on Mars and Moon? 2015-10-02T11:13:15.377

4 Reactions of scientists on Mars quick transformation 2016-01-07T14:52:56.863

4 Getting around the effects of low Mars gravity 2016-09-21T03:40:07.740

4 Can we make rain on Mars? 2016-10-10T23:59:53.617

4 If we built a large moon close to Mars, could we make Mars a living world? 2016-11-29T14:25:55.687

4 A localized artificial magnetosphere for Mars 2016-12-21T20:43:18.970

4 Why would anyone consider terraforming Mars, considering it can't hold onto water vapour? 2017-06-07T06:27:00.473

4 Sandalphon: A Machine that Copied Gametes 2017-09-06T03:48:14.840

4 Self defense on Mars 2018-03-11T17:19:48.153

4 Self-sustaining Mars colonization 2018-08-31T12:03:42.690

4 Terraformed Venus and Mars 2019-02-19T22:06:06.883

4 Depopulating the Earth in an Ethical Manner 2019-06-20T17:11:32.487

3 Martian minerals 2015-04-02T15:24:46.660

3 Would vegetation-like decorations help to alleviate homesickness on a Lunar or Mars colony? 2015-06-09T13:58:51.620

3 Project Noah: Blue Mars 2015-07-01T04:26:27.483

3 We burst their bubble. Now what? 2015-08-16T08:45:00.903

3 How can future Mars colonists combat intelligence loss? 2015-08-26T09:01:11.213

3 What is the minimum industrial infrastructure required to colonize Mars? 2016-07-25T01:58:56.390

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

3 Hidden Aliens on Mars? 2016-11-15T22:10:24.163

3 How to get booze to Mars? 2017-01-05T17:59:34.110

3 How possible would a manned base be on the moons of Mars? 2017-03-27T17:42:12.240