The fuel that powers most spacecraft today is incredibly toxic to living organisms. That's normally not a big issue when you're sending something into space, but ...
NASA’s about to test a safer rocket fuel for the first time ever – BGR
NASA spacecraft will use fuel that's safer for humans
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Anousheh Ansari on Twitter: "NASA to Test Safer, More Powerful Spacecraft Fuel on June 24 https://t.co/V2ulJ3ECoX"
NASA highlights payloads on next Falcon Heavy; LZ-1 cleared for normal operations – NASASpaceFlight.com
Nasa Has Found a Way of Creating Safer and More Powerful Fuel for Its Spacecraft
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NASA to Test Safer, More Powerful Spacecraft Fuel on June 24 | News & Opinion | PCMag.com
NASA details Deep Space Atomic Clock and other tests launching on SpaceX Falcon Heavy – TechCrunch
NASA to use non-toxic spacecraft fuel for first time - Vanguard News