In 1944, 29 reindeer were introduced to St. Matthew Island for emergency food. Without predators, the herd exploded to 6,000.
NASA’s ERNEST rover climbs tough terrain, drives faster, and uses AI to prepare for future Moon and Mars missions.
On June 14, 2026, NASA's Perseverance Mars rover completed a marathon, or 26.2 miles (42.2 kilometers) as a spacecraft ...