NASA’s Mars helicopter blades broke the sound barrier without disintegrating, and JPL may have unlocked the next leap in alien flight

NASA engineers spun next-gen Mars helicopter blades past Mach 1 without shattering them. See how JPL unlocked the future of alien flight.

Missing signs of alien life? NASA's instruments allegedly blind to extraterrestrial patterns Nature

NASA's hunt for alien life may be undermined by its own instruments, according to a group of leading astrobiologists who warn that current tools and mission designs are likely missing subtle, but ...
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NASA Administrator: The prospect of alien life is at the heart of all space exploration

Five tense moments from Rubio’s testimony over the war in Iran ...