There are more species with only a few individuals, while only a few species are common. “In biodiversity, there is commonness in rarity.” ...

Ceasefire talks could be a catalyst for advancing cooperation in the Arctic, but the climate crisis should not be forgotten.

Moscow's forces have advanced in Ukraine's Zaporizhzhia region, as the U.S. and Russian leaders are expected to speak on Tuesday.

The White House said negotiations would “begin immediately.” It was not immediately clear whether Ukraine is on board with ...

As the Trump administration pushes Ukraine to agree to a rapid peace with Russia, Kursk represents the shrinking leverage ...