Mars

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Have We Found Alien Life? Here’s What Scientists Really Think

Claims about possible extraterrestrial life on K2-18b and Mars generated worldwide excitement, but a survey of hundreds of astrobiologists found that most experts remained cautious rather than convinced.

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One of the Ancient World's 'Seven Wonders' Resurfaces, a Red Planet Photo Op, and an "Impossible" Artifact

This week, The Debrief looks at the rediscovery of one of the Seven Wonders of the Ancient World, a stunning new image of Mars, and much more.

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No Sample-Return Required? Scientists Demonstrate Extraterrestrial Biosignature Detection Method Using the Mars Rover's Existing Instruments

A new mineral-based biosignature detection method could identify signs of life on Mars using the Perseverance Rover's existing tools.