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The Polaris Dawn spacewalk is SpaceX’s ‘risky adventure’

The Polaris Dawn spacewalk is SpaceX’s ‘risky adventure’

New spacesuits, untested astronauts, and a lot that can go wrong make this five-day mission unusually complex, but with a potentially great reward.
by Geoff Brumfiel

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Volunteers help save rare plants across Minnesota

Volunteers help save rare plants across Minnesota

Minnesota has more than 300 rare native plant species. In many locations, plants were last documented decades ago. A new program is using volunteers to help search for the plants and collect seeds to preserve genetic material.
by Dan Gunderson

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A newly mapped underwater mountain could be home to 20 new species

A newly mapped underwater mountain could be home to 20 new species

Researchers who led the 28-day expedition along the nearly 2-mile tall seamount hope the discoveries made will inform future policies safeguarding the understudied, high-seas region.
by Emma Bowman

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A 13,600-year-old mastodon skull is unearthed in an Iowa creek

A 13,600-year-old mastodon skull is unearthed in an Iowa creek

The University of Iowa’s Office of the State Archaeologist said a 12-day excavation yielded “several mastodon bones,” primarily from the skull. Mastodons are distant cousins of elephants.
by Joe Hernandez

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What to know about Monday's blue supermoon

What to know about Monday's blue supermoon

The next blue supermoon will not happen until 2032, but supermoons occur more frequently.
by Mansee Khurana

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