Archaeologists in northern Poland have uncovered a finely crafted, 500‑year‑old navigational instrument that may once have sat in the hands of Nicolaus Copernicus, the astronomer who moved Earth from ...
A Sentinel-2 image of Greek wildfires. The UK will resume full participation in the Copernicus program under a deal with the EU. Credit: European Union, Copernicus Sentinel-2 imagery WASHINGTON — The ...