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Space Launch System

NASA technicians work on a Mars-bound spacecraft. Unmanned missions to Mars have mostly been successful, but the effort to sent a human being there is proving a harder task — and a harder sell.

Plans to put a human on Mars are a mess, says a new report. Should we even try?

Environment

Will the US ever land a human on Mars? No way, says a new Congressionally-mandated report. But scientists argue we should look for a new plan, not an excuse to abandon the effort.Will the US ever land a human on Mars? No way, says a new Congressionally-mandated report. But scientists argue we should look for a new plan, not an excuse to abandon the effort.

NASA building the most powerful rocket on Earth

Environment