Without new landers or rovers, it's helicopters or bust for NASA's Mars program

NASA's strategy for Mars exploration is increasingly relying on helicopter technology, a significant departure from its historical emphasis on traditional rovers and landers. This strategic shift is largely due to the escalating costs associated with developing and deploying conventional landers and rovers. The success of the Ingenuity helicopter, which demonstrated the viability of aerial exploration on Mars with its first flight on April 19, 2021, has paved the way for this new approach. Future missions may see helicopter-borne instruments and scientific payloads becoming the primary method for exploring the Martian surface. While offering enhanced mobility and access to challenging terrains, this approach presents new engineering hurdles, such as power management and autonomous navigation in a thin atmosphere.