When the early Earth’s magma ocean crystallized 4.4 billion years ago, the deep mantle trapped an ocean’s worth of water, ...

NASA is closely monitoring a bus-sized asteroid, “2025 XF1,” which is rapidly approaching Earth this week. With speeds of ...

Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name “Hadean” comes from the Greek god of the underworld, reflecting the extreme heat that likely ...

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Scientists found rocks deep inside Earth's mantle that generate hydrogen and could reveal clues about deep energy and the ...

Apollo samples provide evidence: Researchers analyzed Moon rocks brought back by the Apollo missions and, for the first time, ...

In the distant past, the solar system was rife with impacts and collisions. Millions of rocky objects zoomed chaotically through the system, smashing into each other in collisional cascades. Over time ...

Scientists have long believed that the Moon was formed by a massive object crashing into the Earth. But what was that thing ...

In February 1971, Apollo 14 astronauts bagged a moon rock later found to contain a shard blasted from the early Earth. A technician at the Lunar Receiving Laboratory in Houston examines "Big Bertha," ...

The Earth with the upper mantle revealed. Researchers at The University of Texas at Austin have discovered a previously unknown layer of partly molten rock in a key region just below the tectonic ...

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