Hacker News
- How the first human to take steps in outer space nearly didn't return to Earth http://www.bbc.co.uk/news/special/2014/newsspec_9035/index.html 2 comments
- Human-made barrier surrounding the Earth detected by NASA space probes http://www.sciencealert.com/nasa-space-probes-have-detected-a-human-made-barrier-shrouding-earth 663 comments space
- What is the farthest point from Earth that a human went in space? https://www.reddit.com/r/space/comments/4z87nl/what_is_the_farthest_point_from_earth_that_a/ 19 comments space
- Has the amount of radiation earth puts out into space risen due to humans? https://www.reddit.com/r/askscience/comments/9lgsdq/has_the_amount_of_radiation_earth_puts_out_into/ 5 comments askscience
- Поехали! On this day, 55 years ago, Yuri Gagarin became the first human to travel to space, and the first to orbit the earth http://artcreationforever.com/images/yuri-gagarin/yuri-gagarin-07.jpg 184 comments space
- Has the total mass of the earth increased or decreased since human space exploration? https://www.reddit.com/r/askscience/comments/7nxwg3/has_the_total_mass_of_the_earth_increased_or/ 3 comments askscience
- Governments should prepare for the worst if aliens visit Earth because beings from outer space are likely to be just like humans. http://www.guardian.co.uk/science/2010/jan/25/aliens-space-earth-humans 25 comments science
- JAXA, The Japanese Space Agency, has launched a tiny 14kg spacecraft from the Orion spacecraft in lunar orbit. Using 1.5kg of water steam as propellant, it will travel to the Earth-Moon Lagrange point (EML2) to make tests on its suitability for a human crewed deep spaceport. https://interestingengineering.com/science/japans-spacecraft-using-steam 2 comments futurology
- Musk vs. Bezos: The Battle of the Space Billionaires Heats Up - both are motivated by almost messianic visions of humanity’s future beyond Earth. https://spectrum.ieee.org/aerospace/space-flight/musk-vs-bezos-the-battle-of-the-space-billionaires-heats-up 10 comments space
- Space formula of Konstantin Tsiolkovsky - "Earth is the cradle of humanity, but one cannot live in a cradle forever". http://www.space-travel.com/reports/space_formula_of_konstantin_tsiolkovsky_999.html 72 comments space
- Humans have launched so much to space that it's actually polluting Earth's atmosphere, a new study found https://www.businessinsider.com/rocket-satellite-metals-polluting-earth-stratosphere-2023-10 83 comments space
- Earth ‘well outside safe operating space for humanity’, scientists find https://www.theguardian.com/environment/2023/sep/13/earth-well-outside-safe-operating-space-for-humanity-scientists-find?CMP=Share_AndroidApp_Other 2 comments science
- NASA official warns private sector: We’re moving on from low-Earth orbit. Top human spaceflight official says companies should take advantage of space station... the free ride in low Earth orbit for private industry may stop as soon as a decade from now. http://arstechnica.com/science/2015/12/nasa-official-warns-private-sector-were-moving-on-from-low-earth-orbit/ 83 comments space
- The first human is about to cross the boundary of our Solar System into interstellar space. His tiny capsule has been silently sailing away from the Earth for the last 45 years. http://www.forteantimes.com/features/articles/1302/lost_in_space.html 4 comments reddit.com
- Astronauts will 3D print part of a human knee in space. Bioprinting in orbit could help injured soldiers on Earth. https://www.engadget.com/nasa-redwire-3d-printing-human-knee-161941443.html 264 comments space
- Space Junk Now Presents a Clear and Present Danger - Pollution generated by human activity isn’t limited to the earth and its climate. https://www.bloomberg.com/view/articles/2018-09-19/space-junk-is-now-a-clear-and-present-danger 7 comments space
- 'Sound of Space' phenomenon known as 'chorus' radio waves within Earth’s magnetosphere that are audible to the human ear, as recorded on Sept. 5, 2012. http://www.nasa.gov/mp3/687631main_687014main_emfisis_chorus_1.mp3 3 comments space
- On Earth, 2011 will be another tumultuous year for the National Aeronautics and Space Administration: its space shuttles will be retired, and it will have to wrangle with Congress and the Obama administration over a rocket and a destination for the United States’ human spaceflight program http://www.nytimes.com/2010/11/09/science/09nasa.html?ref=science 9 comments space
- The first human is about to cross the boundary of our Solar System into interstellar space; his capsule has been silently sailing away from the Earth at 18,000 mph for the last 45 years. http://www.forteantimes.com/features/articles/1302/lost_in_space.html 47 comments space
- Given the amount of radiation that we are emitting into space, how close would an alien civilization with a similar technology level to humans need to be to detect life on earth with reasonable confidence? https://www.reddit.com/r/askscience/comments/6ogk0i/given_the_amount_of_radiation_that_we_are/ 3 comments askscience
- For decades, supporters of a strong American space program have dreamed of an American president throwing the weight of his office behind sending humans to Mars, developing a new deep space vehicle and the heavy lift booster to carry it beyond the Earth http://www.aolnews.com/opinion/article/opinion-buzz-aldrin-has-high-praise-for-obamas-space-program-goals/19442999 7 comments science
- "The ability of space-suited human beings, flying in a spaceship carrying a very heavy cargo to low-Earth orbit, to then be able to go out and perform extraordinarily intricate operations ... and do it successfully is one of the most remarkable achievements that NASA has ever accomplished." http://www.spaceflightnow.com/shuttle/sts125/090519fd9/index3.html 23 comments space
- Earth's oldest artificial satellite -- and oldest space junk -- has been in orbit for 62 years, and should stay there another two centuries. The U.S. launched Vanguard 1 less than five months after Sputnik 1. The solar-powered spacecraft, humanity's first, lost power way back in 1964. https://astronomy.com/news/2020/07/vanguard-1-earths-oldest-artificial-satellite-thats-still-in-orbit 7 comments space
- Hypergiant wants to build an interplanetary internet beyond the Earth, to the moon, Mars, and beyond, with network of satellites that will also host an archive of human knowledge: “What it will create is the infrastructure in space for humanity to eventually become a multi-planetary species” https://www.inverse.com/article/58315-hypergiant-aims-to-build-intergalactic-internet-for-a-multi-planet-humanity 38 comments space
- NASA’s Twins Study will tell us how space changes the human body: NASA sent one identical twin to space for a year, while the other stayed on Earth. Preliminary findings show changes in body mass, cognition, the immune system, and hundreds of gene mutations. https://www.inquisitr.com/4791929/how-does-space-change-the-human-body-nasas-twins-study-will-have-the-answers/ 106 comments science
- Buzz Aldrin: The next giant leap for space exploration "... we have lacked a clear commitment to a program to break the pattern of humans simply circling Earth. It’s time to sojourn outward and have America soar beyond low Earth orbit." https://www.washingtonpost.com/news/in-theory/wp/2016/02/03/buzz-aldrin-the-next-giant-leap-for-space-exploration/ 882 comments space
- FORGET the risk of exploding rockets or getting sideswiped by a wayward bit of space junk. Radiation may be the biggest hurdle to human exploration beyond low-Earth orbit and could put a damper on a recently proposed mission to Mars orbit http://www.newscientist.com/article/mg20327266.100 5 comments reddit.com
- In 1969, Nixon appointed a Space Task Group which presented recommendations including building an Earth-orbiting space station, a lunar-orbiting space station, a base on the lunar surface, and a human expedition to Mars. They were too expensive, so Nixon directed NASA to build the Space Shuttle https://www.nasa.gov/history/50-years-ago-president-nixon-directs-nasa-to-build-the-space-shuttle/ 33 comments space
- At least 26% of our oceans need urgent conservation attention to preserve Earth's marine biodiversity, a new study has found | "Conserving the areas we've identified in our study would give all marine species a reasonable amount of space to live free from human impacts." https://phys.org/news/2020-02-earth-oceans.html 20 comments worldnews
- The Columbia Space Shuttle disintegrated upon re-entry into Earth’s atmosphere 15 years ago. Today, NASA will honor all those who have lost their lives while advancing human space exploration. http://www.astronomy.com/news/2018/01/remembering-the-columbia-disaster 2095 comments space
- Stephen Hawking says we must colonise other planets to ensure human survival - "We are running out of space on Earth and we need to break through the technical limitations preventing us living elsewhere in the universe" http://www.independent.co.uk/news/science/stephen-hawking-colonise-other-planets-ensure-human-survival-a7746016.html 60 comments space
- "We know that space tourism will be a critical part of a low-Earth orbit economy. The more people who can have that experience, the better, to further drive demand and interest for that market," says NASA's head of Human Explorations and Operations on the future of private space travel. https://www.supercluster.com/editorial/nasas-kathy-lueders-oversees-a-new-era-of-human-spaceflight 19 comments space
- The Inquiry: How is space changing Earth? Many nations have now entered the space race. What impact is this having on education, economic progress, human rights and national prestige? BBC World Service Podcast/MP3/Stream (23 mins) https://www.bbc.co.uk/programmes/w3cswqvt 3 comments space
- Mice that spent three months aboard the International Space Station returned to Earth with thinning skin and surprising changes in hair follicles, a finding that may have implications for understanding the scope of physiological changes long-duration spaceflight has on humans, as well. http://news.discovery.com/space/private-spaceflight/space-travel-linked-to-skin-and-hair-issues-mice-show-150527.htm#mkcpgn=rssnws1 12 comments space
- At the end of this year, the US will lose access to low-earth orbit. Space will be owned by Russia and China. Obama waxes nationalistic at an idea of China surpassing our "clean energy," yet gratuitously hands over our human space exploration lead . http://www.washingtonpost.com/wp-dyn/content/article/2010/02/11/ar2010021103484.html 50 comments reddit.com
- Space junk is a real problem that could trap humans forever on Earth — so now Australian scientists are working on powerful ground-based lasers to shoot it all away. http://www.abc.net.au/news/2018-03-21/scientists-plan-to-shoot-down-space-junk-with-a-laser/9573066? 17 comments worldnews
- Weird: No matter how you slice and dice it, this looks like a really bad job! "The European Space Agency (ESA) on Tuesday called for applications for one of the most demanding human experiments in space history: a simulated trip to Mars in which six 'astronauts' will spend 17 months in an isolation tank on Earth." http://news.yahoo.com/s/afp/20070619/sc_afp/spacemarseurope_070619110956&printer=1;_ylt=airzzsa8xdxttxxocq8ayj3qorgf 11 comments science
- In less than 24 hours, The James Webb Space Telescope will be on it's way to a deep space halo orbit nearly a million miles away from the earth after being blasted into space atop one of the most powerful heavy-lift rockets humans have ever built. Exciting! https://jwst.nasa.gov/content/webbLaunch/countdown.html 38 comments space
- Just a few months before Yuri Gagarin made the first human spaceflight in 1961, a small chimpanzee named 'Ham' became the first hominid to venture into space. And fortunately, unlike many other animal astronauts, Ham lived another 22 years after safely returning to Earth. https://astronomy.com/news/2020/04/animals-in-space-a-brief-history-of-astro-chimps 8 comments space
- Recently Retired USAF General Makes Eyebrow Raising Claims About Advanced Space Technology: "Retired Lt. Gen. Steven L. Kwast says fantastic technology exists that could transport a human anywhere on earth within an hour." [United States of America] https://www.thedrive.com/the-war-zone/31445/recently-retired-usaf-general-makes-eyebrow-raising-claims-about-advanced-space-technology 8 comments aliens