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

Behind the crisis caused by Donald Trump’s threats is a much bigger change: the waning of US hegemony and the coming of a ...

Biological matter in river runoff increasing the chances of cloud formation in the Arctic Circle is an important discovery ...

Arctic clouds form faster when seeded by gases released from terrestrial organic matter carried by rivers into the Russian Arctic Ocean.

Wintertime cold is normal. But what is unusual is how this kind of cold tends to arrive: These icy spells sneak up on us, ...

An abundance of money is coming in, resulting in you spending it as soon as it hits your bank account. Do not make ...

“We need Greenland from the standpoint of national security,” President Donald Trump said on Jan. 5, “and Denmark is not going to be able to do it.” This was the icebreaker for a negotiation over ...

Melting ice sheets open up land and sea that were previously inaccessible, presenting new — albeit dangerous — opportunities.

Extreme meteorologist Reed Timmer was keeping an ear out for exploding trees in Minnesota as he headed south to chase winter ...

Petropavlovsk-Kamchatsky, a small city on the remote arm of land jutting out into icy seas, is a snowy place. But for the ...

2025 ranked among the three warmest years ever recorded for the global ocean despite the onset of La Niña conditions, which ...

NEW YORK (WABC) -- A Winter Storm Warning has been issued for New York City and the Tri-State as a powerful winter storm gets ...