In this image released by the U.S. Navy the U.S. Navy variant of the F-35 Joint Strike Fighter, the F-35C, conducts a test flight over the Chesapeake Bay. U.S. Navy/Getty Images The Pentagon has halted the testing of its entire fleet of F-35 Joint Strike Fighters. At an estimated cost of $400 billion, it is

Enlarge image i Researchers who studied pieces of the meteor collected near Lake Cherbarkul say it was a common chondrite meteor. The largest of the 53 fragments was one centimeter in diameter. Photo provided by the Urals Federal University Press Service. Alexander Khlopotov/AP Researchers who studied pieces of the meteor collected near Lake Cherbarkul say

Enlarge image i Workers at the Hanford Nuclear Reservation near Richland, Wash., in 2010. Shannon Dininny/AP Workers at the Hanford Nuclear Reservation near Richland, Wash., in 2010. Shannon Dininny/AP The number of underground containers seeping nuclear waste has increased to six from one at the Hanford Nuclear Reservation near Richland, Wash. On his twitter account,

Enlarge image i This image reviewed by the U.S. military shows the front gate of “Camp Six” detention facility of the Joint Detention Group at the US Naval Station in Guantanamo Bay, Cuba. Jim Watson/AFP/Getty Images This image reviewed by the U.S. military shows the front gate of “Camp Six” detention facility of the Joint

Nielsen, the company that provides television ratings, is catching up with the times: It said that in the fall, it would begin including online streaming in its ratings. That is it will begin counting those people who watch TV shows using services such as Hulu and Netflix. According to Wired, Nielsen said its job is

Enlarge image i Rep. Ed Markey, D-Mass., speaks to supporters in Malden, Mass, on Feb. 2. Josh Reynolds/AP Rep. Ed Markey, D-Mass., speaks to supporters in Malden, Mass, on Feb. 2. Josh Reynolds/AP Citing American slavery to make a point about contemporary politics can be downright tricky business, as some public figures have recently learned

Enlarge image i Colonoscopy copay? Zero. iStockphoto.com Colonoscopy copay? Zero. iStockphoto.com The Obama administration on Wednesday released its final rule on essential health benefits, which sets out the coverage insurers must offer starting in 2014. Insurers must cover 10 broad categories of care, including emergency services, maternity care, hospital and doctors’ services, mental health and

Enlarge image i Lance Armstrong, during the interview with Oprah Winfrey that was recorded Monday and began airing Thursday night. George Burns/Oprah Winfrey Network/Getty Images Lance Armstrong, during the interview with Oprah Winfrey that was recorded Monday and began airing Thursday night. George Burns/Oprah Winfrey Network/Getty Images Lance Armstrong will not cooperate with a United

Enlarge image i Organic tomatoes come in all shapes and sizes. Chiot’s Run/Flickr Organic tomatoes come in all shapes and sizes. Chiot’s Run/Flickr A new study published in the journal PLOS ONE finds tomatoes grown on organic farms were about 40 percent smaller than conventionally grown tomatoes. The upside? They pack more of a nutritional

Enlarge image i Cyberattack headquarters? The 12-story building in a Shanghai suburb that American investigators say houses an operation responsible for hundreds of cyberattacks on companies around the world. Peter Parks /AFP/Getty Images Cyberattack headquarters? The 12-story building in a Shanghai suburb that American investigators say houses an operation responsible for hundreds of cyberattacks on

Good morning. Our early headlines: — Pistorius Says He Feared For His Life; Prosecutor Says Shooting Was Premeditated — Clues Connect Global Hacking To Chinese Government, Security Firm Says — Quite A Haul: $50 Million Worth Of Diamonds Stolen In Lightning-fast Heist — Newtown Shooter May Have Taken Cues From Norway Massacre — Book News:

A corn field is shrouded in mist at sunrise in rural Springfield, Neb. Nati Harnik/AP For years, I’ve been hearing stories about the changing agricultural landscape of the northern plains. Grasslands are disappearing, farmers told me. They’re being replaced by fields of corn and soybeans. This week, those stories got a big dose of scientific,