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A giant 'shadow' has been creeping across Mars for 50 years — and scientists aren't sure why

A dark patch in Mars' Utopia Planitia region has grown significantly since it was first photographed...

SCIENCE April 20, 2026

A giant 'shadow' has been creeping across Mars for 50 years — and scientists aren't sure why

A dark patch in Mars' Utopia Planitia region has grown significantly since it was first photographed in 1976. Scientists have a loose understanding of what...

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A dark patch in Mars' Utopia Planitia region has grown significantly since it was first photographed in 1976. Scientists have a loose understanding of what...

Author: Live Science

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In nearly seventy years of deep-sea exploration, researchers compiled 43,681 submersible dive records — and found that humans have visually observed less than 0.001% of the deep seafloor, an area roughly the size of Rhode Island, according to a Science

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RAW: FILE: SCIENTISTS WANT TO DIAL DOWN EFFECTS OF EL NINOS

RAW: FILE: SCIENTISTS WANT TO DIAL DOWN EFFECTS OF EL NINOS

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RAW: FILE: SCIENTISTS WANT TO DIAL DOWN EFFECTS OF EL NINOS

RAW: FILE: SCIENTISTS WANT TO DIAL DOWN EFFECTS OF EL NINOS