The U.K. rocket startup Skyrora tested its Skylark Micro suborbital rocket last year. In the future, the company's rockets will be powered by a renewable fuel made from non-recyclable plastics. (Image credit: Skyrora)

Can biofuels make spaceflight greener? UK space startups reveal plans for cleaner rocket launches

By Tereza Pultarova, Published by Space.com, 25 October 2021 Biofuels tested by two British rocket start-ups seem to produce much fewer dangerous soot particles. Rocket launches can inject huge amounts of soot into higher layers of Earth's atmosphere, depending on their fuel, possibly contributing to climate change. A pair of

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DARPA believes that nuclear-powered propulsion could enable rapid maneuver in space — a capability that is difficult to achieve with current electric and chemical propulsion systems. (Defense Advanced Research Projects Agency)

Pentagon taps industry for nuclear-powered propulsion for its satellites

By Nathan Strout, Published by C4ISRNET, 10 September 2021 WASHINGTON — The Department of Defense is looking to industry for nuclear-powered propulsion technology to drive its spacecraft, freeing them from the low-energy limitations of current electric and solar-based propulsion systems. Those traditional systems have largely served government space systems well.

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Weapons are already being developed for the first space war. [Source: thesun.co.uk]

Insane U.S. Plan to Spend Billions on Weaponizing Space Makes Defense Contractors Jump for Joy—But Rest of World Cowers in Horror at Prospect of New Arms Race Leading to World War III

By Karl Grossman, Published by CovertAction Magazine 25 August 2021 Imagine this scenario from the year 2045: The U.S. and China, after years of belligerence, go to war over control of the Taiwan straits; most of the battles are fought through cyber-attacks and space-based weapons systems that had been perfected

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Billionaire space race: What does it mean for climate change and the environment?

By Jocelyn Timperley, Published by Science Focus, 12 August, 2021 New regulations regarding the environmental impacts of space travel must be put in place to prevent the emergence of a ‘Wild West’ attitude, experts say. Space travel made international headlines in July as both Amazon founder Jeff Bezos and Virgin

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Ilustration of a conceptual spacecraft enabled by nuclear thermal propulsion. Credit: NASA

Space Force sees ‘advantages and opportunities’ in nuclear-powered space missions

By Sandra Erwin, Published by SpaceNews, 28 July 2021 Thompson: Nuclear propulsion 'holds the potential for significant advantages in terms of efficiency compared to standard chemical rockets' WASHINGTON — Space vehicles powered by small nuclear reactors — a technology that NASA believes could help get humans to Mars faster —

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