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Mars One Does Not Renew Contracts For Robotic Missions
braindrainbahrain writes Mars One is, of course, the highly speculative, low credibility project to land humans on Mars after a one-way trip. In 2013 they had announced that two contracts had been awarded to the aerospace industry to develop a Mars orbiter and a Mars lander to carry a science experiment payload to the surface. Both contracts have been completed, but so far, Mars One has no immediate plans to renew the contracts and pursue further development of the crafts.
Mars has significantly stronger gravity than the moon, so the little rocket engine that they used on the moon lander wouldn't be able to reduce much of the orbital speed until it slammed in the surface. Also, the moon lander was operating in a vacuum. Designing a rocket engine that works against supersonic atmospheric flow is an entirely different matter.
And while parachutes are an existing technology, a parachute big enough to help with a Mars landing is not. You can't just scale up existing technology that's already at the edge of what we can do.