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'Planetary defense is knowing what's out there and what could do harm to us.' Meet the scientist who helped build NASA's asteroid response plan
A Q&A with Lindley Johnson, a pioneer in blueprinting warning and response scenarios to any potential impact of Earth by an asteroid or comet.
Spread the loveIntroduction On April 21, 2026, a bus-sized asteroid, designated as 2026 HJ1, is set to make a close approach to Earth. While the term “bus-sized” might evoke images of a dangerous ...
NASA’s James Webb Space Telescope has eliminated the possibility that asteroid 2024 YR4 will strike the Moon in December 2032, resolving a years-long planetary defense alert that once ranked among the ...
Of all the asteroids that have imperiled the planet, 2024 YR4 is unparalleled. Soon after it was spotted in December 2024, worldwide telescopic observations quickly positioned it as the most dangerous ...
Blue Origin and NASA are teaming up on a new mission to protect Earth from asteroids, building on NASA's DART success.
Spread the loveIntroduction As we navigate through the cosmos, Earth often finds itself in the path of numerous celestial objects. One such object is the asteroid designated 2026 HJ1, which is set for ...
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