The Anasazi, a once-flourishing tribe in the American Southwest, lived on bounties of corn, squash and beans. In 1276 A.D., ...
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NASA Perseverance rover sees megaripples on Mars | Space photo of the day for Jan. 7, 2026.
Another view from Perseverance shows how windswept Mars' landscape truly is.
The world’s oceans are becoming dangerously acidic. A controversial proposal would raise the pH — by mixing chemicals into ...
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