The NASA Psyche mission: First Journey to an Unknown World

Dr. Lindy Elkins-Tanton, Space Sciences Laboratory at the University of California, Berkeley, Apr. 8, 2026. The NASA Psyche mission is on its way to orbit a small but immensely ancient world in our asteroid belt: A metallic object, the first humans will ever have visited. When our solar system was in its infancy, thousands of planetesimals (tiny planet-like objects) formed in less than a million years. Many planetesimals later melted, allowing metal cores to form inside rocky mantles. One of ...