NASA’s double-asteroid redirection test, launched in 2022, was an actual experiment in space. It sent a rocket to strike an ...
A rare full seven-planet alignment will be visible in the early night sky between Feb. 22 and 28. We have the tips you need ...
A stronomers detected a 40-to-80-meter asteroid, dubbed a “city killer,” with the potential to collide with Earth in 2032, ...
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