Orion

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.

The Place Where You Live

The World

The Place Where You Live

The Place Where You Live

The World

2010’s space odyssey: Obama’s NASA proposals may change space flight forever

Global Politics