Negotiations are underway to avoid conflict and damage to spacecraft between international moon missions - Phys.org

It's been 50 years since humans last visited the moon, and even robotic missions have been few and far between. But the Earth's only natural satellite is about to get crowded.

It's been 50 years since humans last visited the moon, and even robotic missions have been few and far between. But the Earth's only natural satellite is about to get crowded. At least six countries… [+7193 chars]

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