The US government’s efforts to determine which highly classified materials leaker Edward Snowden took from the National Security Agency (NSA) have been frustrated by Snowden’s sophisticated efforts to cover his digital trail by deleting or bypassing electronic logs, government officials said. Such logs would have showed what information Snowden viewed or downloaded.

The United States has been reaching out to world leaders amidst reports of use of chemical weapons by Syria’s Assad regime, with the Pentagon moving military assets, in particular a naval ship, near the country.

Apple's much anticipated iPhone 5S is speculated to come in a 'gold colour option'.

A company in the US, founded by a Nasa engineer, is offering the unique option of sending a loved one’s remains into space, but it will set you back $1,995.

President Barack Obama complained Friday that Russia had adopted a frostier stance towards the United States since Vladimir Putin’s return to the Kremlin, but both camps insisted ties have not broken down.

The US Friday evacuated all non-emergency staff from its consulate in the Pakistani city of Lahore, citing specific terrorist threat against the facility.

Europa — the sixth closest moon of Jupiter, is the most likely place in our solar system beyond Earth to have life, according to Nasa.

A fossil of a squirrel-like furry creature, that could be our “great-great-grand uncle”, living about 165 million years ago, has been discovered in China.

The Sun’s magnetic field is expected to flip by 180-degrees in the next three to four months which could lead to changes in climate, storms and even disrupt satellites, scientists have warned.

Researchers have found evidence of a small far off galaxy lurking in “dark ages” after detecting light from a star that exploded more than 12 billion light-years ago.