Lunar radar data uncovers new clues about moon's ancient past

The dusty surface of the moon—immortalized in images of Apollo astronauts' lunar footprints—formed as the result of asteroid impacts and the harsh environment of space breaking down rock over millions of years. An ancient ...

Samples returned by Chang'e-5 reveal key age of moon rocks

A lunar probe launched by the Chinese space agency recently brought back the first fresh samples of rock and debris from the moon in more than 40 years. Now an international team of scientists—including an expert from Washington ...

Scientist proposes a new timeline for Mars terrains

A Southwest Research Institute scientist has updated Mars chronology models to find that terrains shaped by ancient water activity on the planet's surface may be hundreds of millions of years older than previously thought. ...

Chinese probe prepares to return moon rocks to Earth

A Chinese probe that landed on the moon transferred rocks to an orbiter Sunday in preparation for returning samples of the lunar surface to Earth for the first time in almost 45 years, the space agency announced.

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