Academy Award-winning actor Russell Crowe shocked a lot of people this week when he Tweeted that he had captured a UFO on camera.
President Obama twice did not answer the question of whether his administration denied requests for help from Americans under attack at the U.S. consulate in Benghazi on September 11.
Secretary of State Hillary Rodham Clinton will testify before Congress about an official investigation into an attack in September that killed four Americans in Benghazi
'Something unexpected' is happening on the Sun, Nasa has warned.
Using a well-timed laser, NASA scientists have beamed a picture of Leonardo da Vinci's masterpiece, the Mona Lisa, to a powerful spacecraft orbiting the moon
The film Dirty Wars, which premiered at Sundance, can be viewed, as Amy Goodman sees it, as an important narrative of excesses in the global "war on terror".
A strange-looking distant galaxy spotted by the Hubble Space Telescope.
A research group at the University of Washington, funded by NASA, is about to build a fusion-powered rocket.
A Russian Soyuz spacecraft carrying a crew of three rocketed into orbit today, kicking off a two-day rendezvous with the International Space Station.
CIA Director David Petraeus told Congress he knew immediately that the attack on our consulate in Benghazi was an orchestrated act of terrorismÂ
House investigators asked Secretary of State Hillary Clinton to testify next week about the September 11 terrorist attack in Benghazi, but she declined