<ul><li>Meteoroids are tiny asteroids or bits of comets that become meteors when they burn up in a planet's atmosphere, and meteorites when they strike the surface intact.</li><li>Live Science provides articles and guides on meteoroids, including information on how many meteorites hit Earth annually, tips for observing celestial events like the Perseid meteor shower, and coverage of meteoroid research.</li><li>Some notable topics covered include studies on meteorites containing the building blocks of DNA, the discovery of the world's first "boomerang meteorite", and the oldest evidence of a meteor impact on Earth.</li><li>To stay informed on the latest meteoroid news, features, and articles, visit Live Science.</li></ul>

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