Geoff Brumfiel
Stories
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NASA convened scientists and academics to discuss Unidentified Anomalous Phenomena
NASA is trying to bring science to the study of unidentified anomalous phenomena. A panel of top scientists and academics is trying to figure out how to systematically study UAPs.
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Virgin Galactic sends astronauts briefly into space
The space plane provided great views and a few minutes of weightlessness. Virgin Galactic says it hopes to begin regular flights in June.
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Hammerhead sharks 'hold their breath' in deeper, colder waters, research shows
Sharks are ectotherms and their internal body temperatures usually reflect the waters they swim in. Holding their breath helps them function in the frigid deep.
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SpaceX wants this supersized rocket to fly. But will investors send it to the Moon?
Getting Starship off the ground is costing the commercial spaceflight company billions of dollars at a time when money is tight. Some analysts think more funding will be needed.
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SpaceX prepares to launch its mammoth rocket 'Starship'
Starship is the largest rocket ever built. The company hopes it will one day take people to the moon and Mars. But first it has to fly.
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Scientists believe they have found a crucial building block of life on an asteroid
It's an intriguing finding that suggests life as we know it may have been seeded by asteroids and meteors.
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If daylight saving time seems tricky, try figuring out the time on the moon
Scientists are pondering how to tell time on other celestial bodies. It's a lot harder than you might think.
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National
This selfie above China's balloon was taken over Missouri. Here's how we know that
The photo from aboard the Air Force's legendary U-2 spy plane shows the Chinese balloon. But where, exactly, was it taken? It's actually possible to answer that question using clues from the image.
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Russia says it will stop participating in its last nuclear treaty with the U.S.
Arms control experts warn that the suspension of the New START treaty is part of a troubling global rise in nuclear weapons.
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Militaries have sought to use spy balloons for centuries. The real enemy is the wind
The U.S. government suspects that China's surveillance balloon may have blown off course. It wouldn't be the first time.