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NASA via Getty Images

The ozone hole above Antarctica will keep opening up each spring for decades to come – here’s why that still matters

More frequent wildfires, emissions from rocket launches and more satellite debris burning up in the atmosphere all contribute to ozone depletion and could slow the recovery of the ozone layer.
Both the U.S. and China have plans to establish bases on the Moon in the near future. Caspar Benson/fStop via Getty Images

Is the US in a space race against China?

China has invested massively in its space capabilities in recent years and is now a major competitor with the US. But according to a space policy expert, the US still dominates space by most measures.

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