An American man convicted of killing a Sudanese immigrant was put to death by lethal injection Tuesday in Texas after the US Supreme Court rejected his fourth appeal for a stay of execution.
Biologists on Wednesday said they had unlocked secrets about the vampire squid, a mysterious creature that feeds on the decaying dead in the unlit depths.
A strong 6.2-magnitude earthquake rattled Mexico's Baja California peninsula Tuesday, forcing more than 1,000 tourists to flee their hotels and take refuge on beaches and in gardens.
Uruguay took a step toward legalizing abortion on Tuesday as lawmakers in the lower chamber of parliament narrowly passed a bill allowing the procedure under certain conditions.
Climate change caused by global warming is slowing down world economic output by 1.6 percent a year and will lead to a doubling of costs in the next two decades.
Google late Tuesday began letting users of its online mapping service take virtual scuba dives to explore precious living reefs being surveyed by scientists.
US President Barack Obama said Monday that the attack on the US consulate in Libya's Benghazi was clearly more than a "mob action," amid lingering dispute about the nature of the assault.
The new iPhone 5 broke records in its launch weekend with sales above five million, Apple said Monday, but the figures were below some forecasts and pressured the company's share price.
In a round of intense diplomacy in the wake of violent anti-US protests, US Secretary of State Hillary Clinton met a series of Muslim leaders Monday and urged people to work together against extremists.
US Secretary of State Hillary Clinton met Pakistani President Asif Ali Zardari on Monday as the two nations inch towards repairing vital ties severely damaged by a series of crises.
Iran announced on Monday it was yanking its entry in the Oscars race because of the "intolerable insult" of the US-made anti-Islam film that has angered Muslims in several countries.
CNN on Monday hit back at accusations by a top US State Department official that it had engaged in "distasteful" reporting by using the contents of a diary belonging to slain US ambassador to Libya.
Venezuelan President Hugo Chavez and his rival Henrique Capriles are satisfied with logistical preparations ahead of the arrival of election monitors from the Union of South American Nations.
As Brazil builds new venues for the 2014 World Cup, one project stands out for its outsized ambition: the Pernambuco stadium is set to be the centerpiece of a whole new city.
Spy thriller "Homeland" won best TV drama at the Emmy awards Sunday, ending retro cult show "Mad Men" four-year unbroken run, while "Modern Family" was named best comedy for the third straight year.
The attack that killed the US ambassador to Libya dealt a huge blow to US intelligence operations because CIA agents and contractors were among the Americans evacuated afterward.