Arctic Ocean

MSNBC's Rachel Maddow treated viewers on Wednesday evening to a world tour of some of the stranger places that President Donald Trump slapped with tariffs.The tariffs, part of Trump's so-called "Liberation Day," tax foreign goods from 10 to 49 percent from just about every other country — but, Maddo...

Arctic Ice Melt Doubles Risk of Frigid Eurasian Winters, Study Finds

Canadians and Republicans alike are confounded as President Donald Trump increasingly links a trade war to his push to annex Canada.

Icebergs are often found in the world's most remote, coldest and most dangerous seas. But each spring, a unique geological phenomenon brings hundreds of

That pointy tooth can grow up to 10 feet long.

The narwhal (Monodon monoceros), an iconic whale of remote Arctic waters, is widely known for its long, spiral tusk, which is really an elongated tooth. The tusk, which is predominantly found in males and can grow up to 10 feet long, is one of the most fascinating traits in nature and the inspiration for myths such as the unicorn. It is believed to play a role in competition for mates, including mating displays.…

How and why did Earth's ice caps form? A new study suggests they are a rare event in the planet's history, the result of multiple coincidental cooling events. The post Earth's ice caps are temporary and rare, study suggests first appeared on EarthSky.

The North Pole was above freezing on Sunday after an extreme winter warming event caused temperatures to climb more than 36 F (20 C) in the high Arctic.

There's been talk of the United States acquiring Greenland, which is autonomously governed within the Kingdom of Denmark. The argument is that with the Arctic Ocean passages possibly opening ami

President-elect Donald Trump said that when he takes office he will "immediately" reverse President Joe Biden's recent executive action making more than 625 million acres of U.S. coastal waters off limits for new offshore drilling. But Trump's intent to quickly "unban" any future oil and gas drilling in those areas may not be as simple as he suggests.

Countries used to buy territory all the time. So why does Trump's Greenland plan seem so odd?

The climate skeptic is responding to the reality of the Arctic's melting ice: more resource extraction, faster trade routes, new military bases.

Biden, whose term ends in two weeks, invoked the federal Outer Continental Shelf Lands Act to ban new offshore oil and gas drilling.

President Joe Biden is moving to ban new offshore oil and gas drilling in most U.S. coastal waters, an effort to block possible action by the incoming Trump administration to expand offshore drilling.

Paleontologists from the New York State Museum and SUNY Orange have unearthed the fossilized remains of an adult mastodon near Scotchtown, New York, the United States.

On the sombre twentieth anniversary of the Indian Ocean tsunami, a disaster that claimed over 230,000 lives across 14 nations, UN officials on Thursday called for a renewed global commitment to safeguard future generations from similar catastrophes.

President-elect Donald Trump shared his renewed interest Sunday in the U.S. controlling the autonomous territory of Greenland, which is owned by Denmark.

In The Hidden Globe, Atossa Araxia Abrahamian examines what globalization has come to look like for the wealthy.

Environmental advocates call the reversal 'absolutely devastating.'