Can astronomers use radar to spot a cataclysmic asteroid?

How can humans protect the Earth from "devastating asteroid and comet impacts?" According to the National Academies and their 2023-2032 Planetary Science and Astrobiology Decadal Survey, ground-based astronomical radar systems ...

Travel chaos as US northeast hit by snowstorm

The northeastern United States was engulfed by snow Tuesday as a powerful winter storm battered the region, blanketing New York for the first time in two years and causing flight cancellations and school closures.

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