Hundreds of thousands of federal workers are on edge as the Senate struggles to reach a deal ahead of Friday night's looming ...

The first direct visual evidence of the supermassive black hole in the centre of Messier 87 and its shadow. Event Horizon ...

A Louisiana woman has been indicted on multiple charges after allegedly carrying out an unprovoked knife attack on a tourist ...

On average, these little particles could reduce photosynthesis in plants and algae by up to 12 percent, according to the ...

The possibility of a government shutdown means many federally funded national parks, monuments and attractions might be closed until the government reopens.

The "Smithsonian at the Gap" begins a six-week run at the Buffalo Gap Historic Village, complete with speakers and exhibits.

The list of buildings, briefly posted on the General Services Administration website, included 443 properties, many with ...

Spend a long weekend in our nation’s diverse, dazzling capital, with food from across the globe and free world-class museums.

U.S. presidents have used autopens since Thomas Jefferson; the first to use an autopen to sign a law was Barack Obama.

The next episode of “Teen Mom: The Next Chapter” is called “Somebody’s Going to Get Hurt.” “Teen Mom: The Next Chapter” airs ...

A fossil of a partial face from a human ancestor is the oldest in western Europe, archaeologists reported Wednesday. The ...