Boeing 'ran out of time' on Starliner: astronaut stuck on ISS

A US astronaut stuck on the International Space Station said Friday he believed Boeing's Starliner could have carried him home, if more time had been available to work through the beleaguered spacecraft's issues.

Genomics reveals sled dogs' Siberian lineage

New research co-led by Cornell University examines thousands of years of Arctic sled dog ancestry and reveals when and how Siberian and Alaskan sled dogs' DNA mixed.

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