One of the oldest unsolved riddles in planetary science concerns the origin of the moon. Over a century ago, George Darwin ...
Morning Overview on MSN
Study hints Mars once had a tide-raising mega moon
Mars looks quiet today, but new research suggests the planet’s surface still carries the rhythm of a vanished companion.
The Brighterside of News on MSN
Earth’s magnetic field funneled atmospheric elements to the moon over billions of years
Lunar rocks are famously dry. They contain almost none of the volatile elements that easily escape into space, such as ...
Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.
A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...
NASA’s Webb telescope and Curiosity rover inducted into TIME Hall of Fame, celebrating decades of scientific achievement, ...
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