Prior to the Chicxulub impact, rainforests looked very different

Enlarge (credit: NASA/JPL-Caltech) Colombia’s rainforest looked very different 66 million years ago. At present, the humid and biodiverse ecosystem is jam-packed with plants and is covered in a thick, light-blocking canopy of leaves and branches. Notably, there are no dinosaurs. But prior to the dinosaurs going away with the Chicxulub impact, signaling the end of […]