Republican presidential hopeful Mitt Romney on Wednesday clashed with President Barack Obama over how serious a security threat Iranian ally Venezuela poses to the US.
Astronomers in Chile using a powerful telescope have observed what appears to be evidence of the existence of dark galaxies, the European Southern Observatory (ESO) announced Wednesday.
Fans descend on San Diego Thursday for the annual Comic-Con festival of pop culture, with highlights including the long-awaited "Hobbit" and last "Twilight" films, in a four-day geekfest.
Thailand on Wednesday said a Thai-born US citizen jailed for insulting the kingdom's revered monarch had been granted a royal pardon, in a move welcomed by the US.
Quitting smoking leads to an average weight gain of four to five kilogrammes (nine to 11 pounds) in the first year -- "significantly" more than previously thought.
Guns N' Roses guitar legend Slash was honored with a star on the Hollywood Walk of Fame on Tuesday -- with fellow former hell-raiser Charlie Sheen joining those paying tribute.
South Korea's Samsung won a patent battle Monday against US rival Apple, with a British judge ruling that Samsung's Galaxy tablet was not "cool" enough to be confused with Apple's iPad.
Brazil will breed huge numbers of genetically modified mosquitoes to help stop the spread of dengue fever, an illness that has already struck nearly 500,000 people this year nationwide.
Megaupload boss Kim Dotcom's extradition case against US authorities has been delayed until next year amid legal wrangling in New Zealand over evidence disclosure.
The United States on Monday called on Iran to release Christian pastor Youcef Nadarkhani, who was imprisoned in 2009 and condemned to death for converting from Islam to Christianity.
A German tourist has been arrested for allegedly trying to smuggle four endangered iguanas out of the Galapagos Islands, according to the national park.
New York City Mayor Michael Bloomberg on Monday launched a tender for the construction of "micro-apartments" in the Big Apple, where rents are exorbitant and the number of singles is on the rise.
The head of a foundation created by Colombian Nobel literature laureate Gabriel Garcia Marquez on Monday refuted claims from the author's brother that he is suffering from dementia.
Firebrand Venezuelan President Hugo Chavez insisted Monday that he is "totally" cancer-free and ready to take on what promises to be a tough re-election battle without "physical restrictions."
Tom Cruise and Katie Holmes have reached a "private" settlement less than two weeks after she announced their bombshell divorce -- and vowed Monday to honor each other's beliefs over their daughter.
US Secretary of State Hillary Clinton made a powerful plea Sunday for the rights of women in Afghanistan, using a global forum to insist that they must be part of the country's future growth.
A crippling heat wave that has held large swathes of the United States hostage gave way slightly on Sunday -- but not before leaving dozens dead in several states, officials and local media said.