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SCIENCE

SpaceX handed loss in challenge over Air Force contract

A federal judge plans to deny SpaceX's challenge to U.S. Air Force contracts awarded to its rivals, writing in a Thursday court filing that the Pentagon properly assessed the development of SpaceX CEO Elon Musk's Starship rocket system as "too risky and expensive."

Colombian miners strike fossilized gold: a mastodon

Fossils of a mastodon, a giant prehistoric relative of today's elephants, have been discovered at an artisanal gold mine in central Colombia in a find which researchers say could herald a trove of similar specimens.

Reptile dubbed 'Jaws of Death' terrorized Cretaceous seas

Roughly 80 million years ago in the shallow inland sea that once split North America into eastern and western land masses, a fearsome 33-foot-long (10-meter-long) marine reptile with powerful jaws and tremendous bite-force was one of the apex predators.

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