Know
Hunting Red Leaves with Satellites
A modern satellite makes it possible to pursue the ancient tradition of leaf-peeping in a whole new way.
More in Science & Emerging Technology
- 2026 October 26 – M42: The Great Nebula in Orion NASA
- A 1,000-mile cloud on Mars may reveal physics never seen in nature Ars Technica
- Ice sheet expansion may have started 2,000 years ago, but we canceled that Ars Technica
- APOD: 2026 October 25 – Dark Matter in a Simulated Universe NASA
- NASA updates lander plans for Moon landings, finally solves long-festering Orion issue Ars Technica