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r/Futurology • u/IrishStarUS • Aug 05 '25

Space White House orders NASA to deliberately destroy two important satellites monitoring climate change

irishstar.com

29k Upvotes

1.3k comments

r/Futurology • u/spacedotc0m • Aug 08 '25

Space Proposed spacecraft could carry up to 2,400 people on a one-way trip to the nearest star system, Alpha Centauri

livescience.com

6.0k Upvotes

1.5k comments

r/Futurology • u/lughnasadh • May 22 '25

Space Experts say the US's $175 billion 'golden dome' missile defense idea is a fantasy that is impossible to make work.

8.3k Upvotes

This article gives details on the many shortcomings that make the 'golden dome' idea unworkable. These objections have been around since Ronald Reagan proposed the idea in the 1980's, and they are even more true today. The 'golden dome' proposal deals with ICBM-type missiles, but they are already out of date. The 'golden dome' proposal has even less chance against hypersonic missiles that travel at Mach 20.

Ask yourself a question - The $175 billion 'golden dome' idea requires 36,000 satellites. Is there a certain South African at the center of the US government who might be pushing this idea, because he's the man who'll get most of that $175 billion to supply & launch them?

772 comments

r/Futurology • u/nastratin • Feb 14 '23

Space It’s not aliens. It’ll probably never be aliens. So stop. Please just stop.

arstechnica.com

25k Upvotes

3.2k comments

r/Futurology • u/mvea • Aug 18 '26

Space In a new simulation, astrophysicists in the US pitted a 1-megaton nuclear warhead against a 160-meter (525-foot) city-killer asteroid. “We suggest that disruption is highly likely for two of the three scenarios”.

sciencealert.com

2.2k Upvotes

215 comments

r/Futurology • u/upyoars • Oct 12 '24

Space Study shows gravity can exist without mass, dark matter could be myth

interestingengineering.com

11k Upvotes

636 comments

r/Futurology • u/ewzetf • Jun 05 '25

Space Something Deep in Our Galaxy Is Pulsing Every 44 Minutes. No One Knows Why.

popularmechanics.com

6.0k Upvotes

451 comments

r/Futurology • u/Gari_305 • Jan 01 '23

Space NASA chief warns China could claim territory on the moon if it wins new 'space race'

news.yahoo.com

21k Upvotes

2.3k comments

r/Futurology • u/Gari_305 • May 22 '26

Space A Physical Warp Drive Was Supposed to Be Impossible. Then These Scientists Found a Loophole.

popularmechanics.com

2.1k Upvotes

Humans are one (small) step closer to traveling at faster-than-light speeds

305 comments

r/Futurology • u/Dr_Singularity • Jul 23 '22

Space China plans to turn the moon into an outpost for defending the Earth from asteroids, say scientists. Two optical telescopes would be built on the moon’s south and north poles to survey the sky for threats evading the ground-base early warning network

scmp.com

24k Upvotes

2.4k comments

r/Futurology • u/lughnasadh • Feb 26 '23

Space China reportedly sees Starlink as a military threat & is planning to launch a rival 13,000 satellite network in LEO to counter it.

bangkokpost.com

16k Upvotes

1.6k comments

r/Futurology • u/HUBRIS_media • 5d ago

Space We want to colonize Mars. But what if the human body simply isn’t built for it?

nasa.gov

607 Upvotes

Getting to Mars might be the easy part.
Even inside a fully protected habitat, humans would face just 38% of Earth’s gravity. Research suggests that prolonged exposure to low gravity could affect bone density, muscle mass, and cardiovascular health. We still don’t know whether humans could remain healthy there for decades, let alone raise future generations.
NASA researchers have even suggested that gravity below 0.4 g may be insufficient for long-term human health. Mars sits at just 0.38 g — although that threshold remains hypothetical.
So are we really building a second home for humanity, or just an incredibly expensive life-support system on another planet?
And if humans can’t thrive there without constant technological intervention, what’s the point of colonization?

Sources:

https://www.nasa.gov/hrp/hazards/

https://ntrs.nasa.gov/api/citations/20210019591/downloads/ICES-2021-142.pdf?utm_source=chatgpt.com

604 comments

r/Futurology • u/lughnasadh • Sep 29 '22