Morning Overview on MSN
5 space missions racing to stop a 'city-killer' asteroid
Asteroid 2024 YR4, a roughly 180 foot wide rock initially labeled a “city killer,” has focused attention on how quickly a ...
Live Science on MSN
NASA's DART: Redirecting an asteroid to protect Earth
The first flight mission for planetary defense, NASA's Double Asteroid Redirection Test (DART) seeks to validate a method to ...
The discovery and swift monitoring of asteroid 2024 YR4 earlier this year represented Earth's first real-life planetary defense test. When you purchase through links on our site, we may earn an ...
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