WASHINGTON— The extremist Islamic group known as the Islamic State - also called ISIS or ISIL - and groups connected with it - are bel... 阅读全文>>

WASHINGTON— U.S. congressional leaders have honored the late Czech president, author and freedom fighter Vaclav Havel at a time when h... 阅读全文>>

BALTIMORE, MARYLAND— A team from a university in Maryland is working to improve protective equipment for health professionals battling... 阅读全文>>

Knowing where the Ebola hot spots are in a country is crucial to getting an outbreak quickly under control. Many have criticized the initial... 阅读全文>>

WASHINGTON— The U.S. Senate has rejected construction of a controversial pipeline to transport Canadian oil to American refineries. Th... 阅读全文>>

BANGKOK— The U.S. government on Wednesday returned to Thailand hundreds of ancient artifacts that federal authorities say were looted ... 阅读全文>>

Protecting the world’s forests is promoted as a way of reducing greenhouse gas emissions. Forests store a lot of carbon in both trees ... 阅读全文>>

WASHINGTON— Close to 900,000 international students are studying at American universities and colleges, more than ever before. About h... 阅读全文>>

DONETSK AND LUHANSK REGIONS, UKRAINE— Ukraine's military is preparing to repel a possible assault by Russian-backed rebels in the ... 阅读全文>>

LONDON— The political and security crisis in Libya is deepening, with competing governments and, according to Amnesty International, w... 阅读全文>>