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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Hybrid rocket engines, such as those used by Virgin Galactic's SpaceShipTwo, produce a lot of soot (Image credit: Virgin Galactic)

The rise of space tourism could affect Earth’s climate in unforeseen ways, scientists worry

By Tereza Pultarova, Published by Space.com, 26 July 2021 Are the effects of rocket launches on the atmosphere really negligible? Scientists worry that growing numbers of rocket flights and the rise of space tourism could harm Earth's atmosphere and contribute to climate change.  When billionaires Richard Branson and Jeff Bezos

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Arianespace's eighth launch for OneWeb expanded its constellation to 254 satellites. Credit: Roscosmos, Space Center Vostochny, TsENKI

U.K. to strengthen regulations for Starlink, OneWeb and other NGSO constellations

By Jason Rainbow, Published by SpaceNews, 26 July 2021 TAMPA, Fla. — British telecoms regulator Ofcom is proposing rule changes that would affect Starlink, OneWeb and other satellite constellations operating in non-geostationary orbits (NGSO). It is increasingly difficult for companies to agree on how to operate their NGSO networks without

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Amazon founder Jeff Bezos just flew to space. Now he wants more people to come along. Joe Raedle/Getty Images

How bad is space tourism for the environment? And other space travel questions, answered.

By Rebecca Heilweil, Published by Vox, 25 July 2021 Six questions to consider before launching yourself into space. For many, the rise of commercial space tourism is a vulgar display of wealth and power. Amid several global crises, including climate change and a pandemic, billionaires are spending their cash on

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