Exploring Earth's deep interior is a far bigger challenge than exploring the solar system. While we have traveled 25 billion km into space, the deepest we have ever gone below our feet is just over 12 ...

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"You need so much water that we think these could be evidence of an ancient warmer and wetter climate where there was rain ...

A massive blob deep under Hawaii seems to be solid and iron-rich, new research finds. This blob — scientifically known as a mega-ultralow velocity zone — may anchor the Hawaii hotspot, an area where ...

This is the amazing moment CCTV across eastern Spain captured a dazzling meteor lighting up the night sky with a bright flash on January 29.

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Imagine walking across your field, picking up rocks like you've done a thousand times before, when suddenly you're holding a ...

NASA's recent study, using lunar soil samples from Apollo missions, challenges popular theories about meteorites being the primary source of Earth's water.

Ancient Moon dust, meteorite traces and Apollo samples are helping NASA scientists rethink where Earth’s water truly came ...

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A rare iron meteorite has been found in the Sahara Desert, providing scientists a unique glimpse into the cores of ancient ...

A new NASA study of its Apollo lunar soils clarifies the Moon’s record of meteorite impacts and timing of water delivery.