PENNSYLVANIA

Verizon Wireless announced Thursday that it would expand its 4G Long Term Evolution (LTE) network in Greater Columbus on April 19.

Tumbling in the polls, even in his native Pennsylvania, and under increasing pressure to quit the Republican race, Rick Santorum huddled with conservative leaders and aides Thursday to plot strategy.

Sushi is the prime suspect of the latest Salmonella outbreak, but government officials say the foodborne illness hasn't been traced to a particular food yet and investigations are still underway.

A new poll has Mitt Romney overtaking Rick Santorum in Pennsylvania, the state where the former senator has bet his entire campaign.

If Mitt Romney's three-state primary sweep Tuesday night wasn't enough, the GOP front-runner and President Barack Obama's dueling speeches at an annual press luncheon set the stage for the general election.

The Province of Quebec announced this week it would not allow hydraulic fracturing pending further study of the controversial drilling technique.

Researchers at the Massachusetts Institute of Technology (MIT) have announced a five-year research initiative that will eventually enable people to design personalized robots, then have those robots built using three-dimensional printers.

The top donor to the pro-Santorum Red, White and Blue super PAC said he will continue to support Santorum's presidential campaign through at least Pennsylvania.

Japan plans to build the nation's largest geothermal power plant in Fukushima Prefecture, the location of the massive earthquake and tsunami which led to last year's nuclear disaster.

Mitt Romney's victory in Tuesday night's Wisconsin primary saw the former Massachusetts governor carrying voter groups that have eluded him in past primaries.

Mitt Romney is poised to become the Republican nominee to take on Obama in the coming US presidential election.

Romney, squarely focused on President Barack Obama, said the man whose job he wants is out of touch after years of flying around on Air Force One, surrounded by an adoring staff of true believers.

Mitt Romney is expected to win the Republican primary races in Maryland and Washington, D.C., on Tuesday.

More than 100 advertisers, including all his technology advertisers except for LifeLock, withdrew their commercials from “The Rush Limbaugh Show” in the past five weeks.

Many organ transplant recipients and cancer patients depend on rapamycin, a drug that suppresses the immune system and targets proteins involved in cell division. But this highly effective drug has an unfortunate side effect: many of the people who take it develop diabetes. Scientists now say they've figured out the root of the problem by studying the drug's effects on mice.

Spoiler: Mitt Romney is probably going to be making a victory speech after the Wisconsin, Maryland and D.C. primaries Tuesday night.

The controversial bird flu research that was deemed a threat to national security in December got the OK to be published by a panel of scientists on Friday.

Today marks World Autism Awareness Day 2012, giving the disorder that affects one in 88 children greater visibility.

A new poll found that women voters would choose President Obama over Mitt Romney by a two-to-one margin, giving Obama a critical advantage in contested battleground states.

Senate Minority Leader Mitch McConnell called on Republicans to unite behind Mitt Romney Sunday as Rick Santorum vowed to stay in the race beyond a likely defeat in Tuesday's Wisconsin primary.

Highmark CEO and President Ken Melani is taking an unpaid leave of absence after trespassing and assault charges were filed against him Wednesday.