Odd patterns of bare patches called "fairy circles" found in only two places on Earth may be the result of heavy rain and hot weather.
Northern Chile's dry and desolate Atacama Desert hosts the world's largest array of astronomical observatories. Scientists have called the largely lifeless region Earth's closest analogue of Mars.
The government shutdown lasted just 35 days. The damage that happened during it at Joshua Tree National Park could take decades to heal.
Archaeologists in Egypt recently unearthed a grim discovery: skeletons of a pregnant woman and her fetus.
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