According to the space agency's tracking, the rock is hurtling through space at more than 21,500 miles per hour.
The U.S. space agency measured the impact of its DART mission, revealing that the impact changed the orbit of two cosmic ...
Asteroid 2024 YR4 is big and dangerous enough that it has been dubbed a "city killer." There were concerns that the asteroid ...
Here's what scientists have now learned about the DART mission.
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