American history is a tale of mastering our physical environment or being mastered by it. We carved a canal through Panama to ...

In the frozen darkness of the Arctic Ocean lives one of the strangest animals on Earth. The narwhal’s spiraled tusk looks ...

President Donald Trump’s most recent agenda item focuses on the frigid island of Greenland, which he has repeatedly called for the United States to acquire.  Trump has cited national security as the ...

Archeologists have found the remains of a cluster of tents with hearths on a remote High Arctic island that date back more ...

As much as 45 oceans’ worth of hydrogen may be in Earth’s core, scientists reported, suggesting most of Earth’s water was ...

A recent study points to an exciting possibility: that Uranus's moon Miranda, located in the far reaches of our solar system, may harbor a hidden ocean and life.

An experiment to quantify the amount of the universe’s lightest element in Earth’s core suggests that the planet’s water has ...

Hydrogen reserves in Earth’s core large enough to supply at least nine oceans may influence processes on the surface today.

REYKJAVIK, Iceland - It is just one scenario among many, but by far the most cataclysmic.

An increase in marine Arctic traffic, which received increased attention as President Donald Trump pushed for the United States to take over Greenland, has come with a heavy environmental cost: black ...

As rising global temperatures speed up the melting of sea ice in the Arctic Ocean, it’s set off a boom of ships taking routes that pre ...

"Black carbon," or soot, that spews from ships and makes the Artic Ocean ice melt even faster is an increasing concern in a ...