Douglas McIntyre, Editor-in-Chief at Climate Crisis 24/7, explains how Russia’s dominance in the Arctic is pressuring the U.S. to develop its own fleet of icebreakers. With over half of the Arctic ...

Milky Way viewing is at its best right now, especially if you’re in the southern hemisphere. Here's what to look out for, ...

Defense Secretary Pete Hegseth is returning to Capitol Hill on Wednesday for another potentially combative hearing before the ...

As Donald Trump considers whether to join Israel in attacking Iran, Iran's supreme leader says his country will not surrender ...

The president says he will "see what happens" after Iran's supreme leader warns of "irreparable harm" if the US intervenes.