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Over the last 50 years, a lot has changed in rocketry. The fuel that powers spaceflight might finally be changing too. CSA-Printstock/DIgital Vision Vectors via Getty Images

To safely explore the solar system and beyond, spaceships need to go faster – nuclear-powered rockets may be the answer

An update of 50-year-old regulations has kickstarted research into the next generation of rockets. Powered by nuclear fission, these new systems could be the key to faster, safer exploration of space.
A leader of the Three Percenters militia movement, Matt Marshall, speaks at an anti-lockdown protest, April 19, 2020 in Olympia, Washington. Getty/Karen Ducey

There’s a history of white supremacists interpreting government leaders’ words as encouragement

White supremacists' protests against COVID-19 lockdowns reflect the US history of political leaders encouraging white supremacist groups to challenge or overthrow democratic governments.

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