About 800,000 years ago, a monster space rock struck the Earth hard and fast. The impact of the 1.2 mile-wide (1.9 kilometre-wide) meteorite flung debris across 10 percent of the planet's surface.
Scientists have found this ancient debris, mostly in the form of glass blobs known as tektites, in Asia, Australia, and Antarctica. But until now, researchers had never found the site where the meteorite hit.
They'd been searching unsuccessfully for more than a century.
In a new study published in the journal Proceedings of the National Academy of Sciences, scientists describe the location where they think this massive rock crashed: a volcanic field in southeastern Laos.
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