Are coastal cities under threat as glaciers and sea ice melt at a record pace?

If humankind decides to colonize Mars, what practical and ethical questions will need to be decided?

Has the “dumb blonde” stereotype been exploded by some recent critics of the Iraq war?

What is the most effective strategy for fighting new "jihadist" terrorism?

How can Muslims and Hindus in South Asia achieve a dependable peace?

Will technology continue to displace human labor?

Was it a massive failure of U.S. intelligence — or Mr. Bush's faulty decision-making?

Is "laïcité" the French equivalent of "multiculturalism," and if so, is it still an effective way to think about society?

Will Eritrea’s capital be the cultural glue that ties the country’s past, present and future together?

How is the U.S. effort to democratize the Middle East coming along? An update by Dick Cheney.