Rainforest | smithsonianmag.comhttps://www.smithsonianmag.com/rss/tag/rainforest/RSS feed for RainforestenFri, 31 Jul 2026 13:47:31 +0000Mysterious Shapes Hidden Beneath the Amazon Canopy Reveal a Sprawling Ancient Civilization Much Bigger Than Researchers Expectedhttps://www.smithsonianmag.com/smart-news/mysterious-shapes-hidden-beneath-the-amazon-canopy-reveal-a-sprawling-ancient-civilization-much-bigger-than-researchers-expected-180989236/Scientists recently discovered hundreds of monumental, geometric earthworks known as "geoglyphs" in northern Brazil from the Aquiry civilizationFri, 31 Jul 2026 13:47:31 +0000https://www.smithsonianmag.com/smart-news/mysterious-shapes-hidden-beneath-the-amazon-canopy-reveal-a-sprawling-ancient-civilization-much-bigger-than-researchers-expected-180989236/