NOVA Season 51 premiere

Wed. Jan 31 at 8:30 p.m.

Check out the first episode of season 51 “When Whales Could Walk.”

A spectacular fossil graveyard reveals a 43-million-year-old whale that had four legs and could walk. Follow scientists as they search for new clues to how mammals moved from land into the sea to become the largest animals on Earth.

SPOTLIGHT

AZ Votes: Election coverage

Dolores Huerta, labor and civil rights icon, dies at 96

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Tested: Becoming a U.S. Citizen

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