Mars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests. New evidence of ...

After a week of escalating rhetoric over Greenland, Donald Trump says he has now secured "total access" to the Arctic island.

Beneath Antarctica's Ross Ice Shelf lies one of the least measured oceans on Earth—a vast, dark cavity roughly twice the volume of the North Sea.

Scientists have been closely monitoring a map turtle population after 10 percent died in 2022. They found a surprising ...

During the last ice age, the Atlantic Ocean's powerful current system remained active and continued to transport warm, salty ...

Meteorologists said the eastern two-thirds of the nation is threatened with a winter storm that could rival the damage of a ...

Despite the war in Ukraine, Russia has not scaled down its commitment to develop its Arctic region from the Barents Sea to ...

As President Trump tries to coerce European leaders over Greenland and seems ready to break the transatlantic alliance, the crisis should serve as a catalyst for deeper and smarter Europeanization of ...

From the frozen tundra to America's tropical south, the states with the most islands in their waters tend to have long ...

Can the cruise industry hit its carbon-neutral targets? A new generation of ultra-low emission vessels may hold the answer.

The island also plays a crucial role in NATO’s air defense. Along the shortest air route between Moscow and Washington—an arc ...

Oregon State University research into marine protected areas plays a crucial role in the historic “High Seas Treaty” that ...