The moon is sometimes called "two-faced" because the surface of its side perpetually facing away from Earth looks so different than its side always facing our planet. And the differences run deeper ...
The interior of the mysterious far side of the moon may be colder than the side constantly facing Earth, suggests a new ...
Jezero Crater, the landing site for Perseverance, was once a lake, and the sediments along the river that flowed into the crater were a promising place to look for signs of past life on Mars. However, ...
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