To maximize chances of successfully bringing the first Martian rock and sediment samples to Earth for the benefit of humanity ...

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The agency is starting down two different paths toward the samples' return, but only one will bring the red rocks home.

Among all the challenges of voyaging to and successfully landing on other worlds, the effective collection and study of soil and rock samples cannot be underestimated.

That's all for our live coverage of the war in Ukraine. We'll be back tomorrow with more updates. Here's a rundown of the key lines from today: Ukraine's military has said it was responsible for a ...

Copyright 2025 The Associated Press. All Rights Reserved. Mexico’s president on Wednesday responded sarcastically to Donald Trump’s proposal to change the name of ...