资讯

Scientists are sounding the alarm about sudden and dramatic changes unfolding across Antarctica. The icy continent, once ...
Sea ice floating atop the Arctic Ocean reached its minimum extent for 2025 on Sept. 10, covering 4.602 million square ...
S ome places on Earth are so much more than locations on a map. The very north and south of the globe are two such places; ...
The U.S. military said it and its allies are prepared to counter adversary attempts to expand influence or military ...
Training with the supersonic missile is part of Zapad-2025, the first large strategic exercise in the western part of Russia ...
Animals are finding paths blocked by roads, homes, oil wells. Butterflies are fading from forests. Giant fish are running into dams, as ancient routes are disrupted.
The AMOC is driven, by differences in water temperatures and salinity, but climate change could disrupt that balance.
Wall St. Insights Foreign approval of U.S. leadership is an important factor that U.S. leaders have to take into consideration of where to go, what to do, and how to do it. Some countries have ...
Anchorage’s growing role in Arctic trade is a story about both geography and technology. The city’s location makes it vital ...
Just as the Greek cities in the Mediterranean did over two thousand years ago, today the United States and China are seeking to control the sea lanes. Europe is watching the ships go by.
The bomb is an answer to the need to quickly neutralize maritime threats over vast areas around the world, the U.S. Air Force said.