An enormous pyramid-topped platform, unnoticed until detected with the help of lasers, is the oldest and largest structure in the Maya region.
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The bizarre deaths of hikers at Russia's Dyatlov Pass have inspired countless conspiracy theories, but the answer may lie in an elegant computer model based on surprising sources.
Illegal drugs could be having a little-known—and disastrous—impact on freshwater wildlife, new laboratory experiments show.
The people of Catalonia uphold their culture, literally, by building human towers.
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Far beneath a remote mountain range in Uzbekistan, explorers are delving into a labyrinth that could be the world's deepest cave.
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