Putin envoy Kirill Dmitriev was born in Kyiv, educated in the US, and reportedly has good relations with Washington officials ...
A simulation on the origin and evolution of the North Atlantic Oscillation (NAO) has been conducted by a PKU research team ...
For much of their history, three Nordic countries, Finland, Sweden, and Norway, were one nation within the Swedish Empire. Now, after Finland and Sweden have ...
The partial solar eclipse on March 29, 2025, will be seen from North America, Europe, Russia and parts of Africa.