Following nearly four years of transformation, the state-of-the-art museum in Washington, D.C. opens alongside the premiere of "Wonders of Our World: Ocean," a spectacular nighttime immersive experience

New analysis of the South African's Rising Star Cave fossils reveals striking genetic singularity, hinting at first known example of a sex-specific burial site from a non-human species

Leading scientists, conservationists, storytellers and educators are recognized for deepening our understanding of — and dedication to — caring for our changing planet