Adam Cole

Updated at 5:15 p.m. ET Sept. 14

The Cassini spacecraft's final moments are a few hours away. Early Friday morning, it will slam itself into Saturn's atmosphere.

In July of 1878, Vassar professor Maria Mitchell led a team of astronomers to the new state of Colorado to observe a total solar eclipse. In a field outside of Denver, they watched as the sun went dark and a feathery fan of bright tendrils — the solar corona — faded into view.

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ARI SHAPIRO, HOST:

It's March, and that means college basketball fans are gearing up for the NCAA tournament. But there's another tournament taking place this month — and animals aren't the mascots, they're the competitors.

"Mammal March Madness" is organized by a team of evolutionary biologists. They choose 65 animal competitors and then imagine the outcome of a series of simulated interspecies battles. Who would win if a kangaroo took on a warthog? Or if an orca fought a polar bear?

George Dante fell in love with taxidermy as a young child. His parents took him to the American Museum of Natural History in New York City, and he couldn't tear his eyes away from the dioramas in the Hall of African Mammals.

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