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  • Mars sand dunes may hint at water beneath

    The discovery, based on research in Alaska, opens a window on processes at play early in Mars' history, when it hosted an environment that could have harbored microbial life.

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Doing Good


What happens when ordinary people decide to pay it forward? Extraordinary change...

Danny Bent poses at the starting line of the Boston Marathon in Hopkinton, Mass.

After the Boston Marathon bombings, Danny Bent took on a cross-country challenge

The athlete-adventurer co-founded a relay run called One Run for Boston that started in Los Angeles and ended at the marathon finish line to raise funds for victims.

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