Space.com on MSN6 小时
North America is 'dripping' down into Earth's mantle, scientists discover
Seismic mapping of North America has revealed that an ancient slab of crust buried beneath the Midwest is causing the crust ...
Exit stage right: Trump blows up the West as we know it as America's allies flinch
Analysis - Some of America's strongest allies are rethinking their relationship as Trump's isolationism threatens to remake ...
The New York Times22 小时
New York Times - Top Stories
Trump Weakens U.S. Cyberdefenses at a Moment of Rising Danger The firing of the head of the N.S.A. was only the latest move to erode fortifications against cyberattacks, especially those targeting ...
50 Fun Facts About America That Most Americans Don’t Know
The final version of the Declaration of Independence begins with the phrase: “The unanimous Declaration of the thirteen united States of America.” Thomas Jefferson, who wrote the document in June 1776 ...