NASA will explore two different strategies for fetching Mars rocks collected by the Perseverance rover, and there's a chance ...

President Donald Trump, not NASA, will decide the approach, with key differences in technology impacting cost and time ...

The Perseverance rover has collected Martian rock samples in two different ways, which NASA believes may contain evidence of ...

The Perseverance rover has collected Martian rock samples in two different ways, which NASA believes may contain evidence of ...

NASA torn over two plans to bring rock samples from Mars: recreating a previous rocket method or getting a lander from a ...

Geologically, Mars is very reminiscent of the moon. But it also looks a lot like the Earth. It all depends on who you ask.

NASA sees two paths for saving its beleaguered plan to retrieve materials from the Red Planet but won’t choose between them ...