Below Mount Jefferson and McKenzie Pass is a massive storehouse of water three times the size of Lake Mead, say Oregon researchers.

Obama marks his first 100-days in office with a press conference Wednesday at 8 p.m. ET ...

Barack Obama's press conference after the Continental Airlines crash that resulted in the deaths of 49 people shows the ...

Former President Barack Obama and President-elect Donald ... And I think he has 11 days left as president of the United States. Obviously an eventful year, one that he did not plan for,” Tapper ...

U.S. authorities said on Thursday it was not yet clear why a regional jet and a U.S. Army helicopter collided at a Washington ...

American Airlines Flight 5342 from Wichita, Kansas, was attempting to land when the plane and a Black Hawk helicopter collided.

Tulsi Gabbard fought back against what she called “smears,” declaring she is nobody’s “puppet” before the Senate Intelligence ...

President Donald Trump addresses the nation following a fatal collision between an American Airlines flight and an Army ...

If you are counting on a potential electoral contest between Barack Obama and Donald Trump, you might have to tamp down your expectations.

Russia’s Skolkovo Foundation, with Clinton’s copious help, was the source of Russia’s incredible hypersonic weapons technology.

President Donald Trump says he will use a detention center at Guantanamo Bay to hold tens of thousands of criminal immigrants ...

His writings, which stretched across eight decades, helped Americans understand a president who transformed the office and ...