House Oversight and Government Reform Committee head Darrell Issa, R-Calif., announced Friday that he has issued a subpoena to Secretary of State John Kerry
The largest moon in our solar system, a companion to Jupiter named Ganymede, might have ice and oceans stacked up in several layers
In the movies, humans often fear invaders from Mars. These days, scientists are more concerned about invaders to Mars, in the form of micro-organisms from Earth.
More than a mile beneath the ocean's surface, as dark clouds of mineral-rich water billow from seafloor hot springs called hydrothermal vents, unseen armies of viruses and bacteria wage war.
The next generation of American spacecraft designed to carry people into low-Earth orbit will be required to function as a lifeboat for the International Space Station for up to seven months.
Astronomers have for the first time managed to detect the rotation of an extrasolar planet, by analysing the way its atmosphere filters light.
Many of the advances that contribute to national security resulted from early investment in developing new technologies...
Satellites play vital roles in everyday life.
Republicans say e-mails released Tuesday on the attack in Benghazi, Libya, shows a White House official urged that the assault on the U.S. consulate be blamed on a protest that never happened.
The Office of the Director of National Intelligence is attempting to conceal unclassified information about the structure and function of U.S. intelligence agencies
Star Trek’s William Shatner finally went where no other member of Starfleet has gone before.
Former Secretary of State Hillary Clinton has called the Benghazi terrorist attack, the most significant failure on her watch.
SpaceX has announced a legal complaint over the U.S. Air Force’s latest spy satellite launch contract with United Launch Alliance (ULA), a joint venture of Boeing and Lockheed Martin.
The team operating NASA's Curiosity Mars rover is telling the rover to use several tools this weekend to inspect a sandstone slab being evaluated as a possible drilling target.
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