A tomato that delivers antiviral drugs when eaten? How about a fungus that acts like a head cold for malaria-carrying mosquitoes?

Defense Secretary Robert Gates is on a delicate mission, seeking to reassure long-term U.S. allies in the Persian Gulf region that efforts by Washington to reach out to Iran will not come at their expense.

Defense Secretary Robert Gates says the United States wants to reassure Mideast allies about its diplomatic outreach to Iran, and says gains ultimately may not be possible.

Defense Secretary Robert Gates says it would be difficult to request more U.S. troops in Afghanistan in six to 12 months.

Defense Secretary Robert Gates says he approves of the Obama administration’s release of Bush-era memos on harsh interrogations of terrorist suspects because he expects that the documents inevitably will become public.

The Bill & Melinda Gates Foundation will spend $57 million to improve Internet access at public libraries in Poland, Romania and Vietnam.

Stephen Colbert had an important question for an official with the Bill & Melinda Gates Foundation: “Does Bill Gates ever talk about me?”

Changing the U.S. military’s “don’t ask, don’t tell” policy for gay troops is “very difficult,” Defense Secretary Robert Gates said Thursday, indicating that doing so could take years _ if it ever happens.

Defense Secretary Robert Gates is urging caution about potential changes to the U.S. military’s “don’t ask, don’t tell” policy governing the openness of gay troops.

Defense Secretary Robert Gates says he thinks it is “fairly remote” that conditions in Iraq will change enough to alter significantly President Barack Obama’s plan to withdraw U.S. troops.