Historically, cities have always played fundamental roles in the international arena. From the city-states of antiquity to contemporary urban centers,...

Flowing clockwise around Antarctica, the Antarctic Circumpolar Current is the strongest ocean current on the planet. It’s five times stronger...

The state of Amazonas is already facing a new era of climate extremes. Severe droughts and high temperatures broke historical...

With less than 50 days into his 1,461-day term, President Trump is determined to expand the influence of the United...

Ukraine’s minerals have become central to global geopolitics, with the US president, Donald Trump, seeking a deal with Ukraine’s president...