Image: Atacama minerals

The Copernicus Sentinel-2 mission takes us over part of Chile's Atacama Desert, which is bound on the west by the Pacific and on the east by the Andes. The Atacama is considered one of the driest places on Earth—there are ...

Want to help rare birds? Dig a pond

The first swallows have made landfall in the UK, fanning out over the greening landscape. The early arrivals, generally males, are a streak of electric blue in the spring sunshine.

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