Yemen Emerges as Base for Qaeda Attacks on U.S.

American citizens appear to be helping the Yemen branch of Al Qaeda take aim at the United States.

Explosives in Cargo Renew Debate on Screening

Despite increased scrutiny, there are far fewer safeguards for packages when loaded on cargo-only planes.

U.S. Hears Echo of Japan?s Woes

The confidence U.S. policy makers had that the country could avoid the economic fate of Japan is now waning.

Baghdad?s Shiite Heart Beats Freely as War Ebbs

Sadr City has moved from black-clad militiamen and Islamic codes to weddings, music, movies and games.

U.N. Sets Goals to Reduce the Extinction Rate

Members states also agreed that rich and poor nations would share profits from pharmaceutical or other products derived from genetic material.

U.S. Says Genes Should Not Be Eligible for Patents

The new position, a shift in longstanding federal policy, will impact medicine and the biotechnology industry.

Off the Charts: Rethinking Early Retirement in Europe

Countries like France are questioning the generous social benefits doled out to those who stop working early.

After China?s Rare Earth Embargo, a New Calculus

Alarmed by China?s recent embargo, many countries are now scrambling to develop new mines or renovate ones long considered not to be worth the effort.

The Saturday Profile: Artist Puts Hercules, and Himself, on Pedestals

Markus Lüpertz is about to erect another sculpture in a public space, and in the past his work has been, to put it kindly, misunderstood.

The New Face of the G.O.P.? Grizzled Veterans

Despite the attention paid to insurgent challengers, there is a wealth of prior experience among many likely Republican victors.