The United States has killed four American citizens in drone strikes in Yemen and Pakistan.

The Centers for Disease Control and Prevention considers itself to be one of the nation’s foremost scientific institutions

The so-called Monsanto Protection Act signed into law earlier this year caused such an outrage that people around the world are planning to protest

Evidence of the existence of 'multiverse' revealed for the first time by cosmic map

Every General knows that to win a war, it takes more than just overpowering the opponent.

On May 31, 2013, asteroid 1998 QE2 will sail serenely past Earth, getting no closer than about 3.6 million miles

Sierra Nevada Corporation's (SNC) Space Systems Dream Chaser flight vehicle arrived at NASA's Dryden Flight Research Center in Edwards, Calif.

There is a group of people in America that may be more committed to prying documents from the government than just about anyone else

The world is changing.  The question is, can life change with it?

Sunset is a special time of day.  Low-hanging clouds glow vivid red and orange as the background sky turns cobalt blue.

A 1939 photo featuring a Jay-Z look-alike went viral this week after it was unearthed at a library in New York.

An ambitious project to establish a human colony on Mars has attracted applications from tens of thousands

The Apollo-era astronaut says NASA should be working manned Mars missions

Experts warn of danger that the new viral strains created by mixing bird-flu virus with human influenza