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The spate of deadly interstate bus accidents has renewed scrutiny of the bus lines that ferry customers between East Coast cities for a small fee, with elected officials and advocacy organizations calling for increased regulation and stepped up inspections.

United Continental aims to appear as a single airline.

Biofuels may pollute the environment much more heavily if the process used to make them isn't done in the right way, researchers say. Conventional fossil fuels may sometimes be much greener than their biofuel counterparts, according to a new study.

Swiss adventurer Yves Rossy flew across the Grand Canyon on his custom-made jet suit, marking a watershed in man's ever-elusive dream of flying like birds.

Here is a timeline of incidents involving air traffic controllers in the weeks since the Federal Aviation Administration has been under scrutiny.

Now air traffic controllers can take more rest between their shifts, according to new rules announced by Secretary of Transportation Ray LaHood and Federal Aviation Administration Administrator Randy Babbitt.

The Seattle Times said in a report on Monday that Southwest Airlines has a history of maintenance problems. The report said the Federal Aviation Administration (FAA) had proposed a $10.2 million penalty in 2008 for the airline's failure to conduct mandatory inspections for fuselage fatigue cracking on some of its Boeing 737s. Later the penalty was reduced to $7.5 million.

Pilots will soon be able to use the iPad to replace paper charts.

The Federal Aviation Administration has predicted that U.S. Airlines will see a 3.5 percent increase in the number of travelers this year and expects 1 billion passengers by 2021.

Irish drugmaker Elan Corp has quietly laid off 130 people, or about 10 percent of its workforce.

As the New York City faces season's third winter storm in less than three weeks, here are some key facts on weather conditions, flight delays, cancellations and more.

Florida's Tampa International airport closed its primary runway on Thursday after a shift in earth's northern magnetic pole made it impossible for planes to take accurate bearings. The event has ominously set in motion another round of doomsday talk as people shared anxiety on Internet discussion forums about the impending apocalypse in 2012 as predicted by the Mayan calendar.

SpaceX, which aims to be the first private company to launch manned space vehicles, reached another milestone with its Federal Aviation Administration License for re-entry to Earth's atmosphere.

As investors struggle to shake fears -- fueled by European debt and U.S. unemployment -- of a double-dip recession, shareholders of FedEx Corp are looking elsewhere for signs of economic growth.

A government watchdog faulted the Federal Aviation Administration for allowing Southwest Airlines Co to fly jets that had not undergone mandatory maintenance work, violating stipulated safety rules, the Wall Street Journal said.

An air-traffic controler at New York's JFK airport and a supervisor were suspended and are likely to be fired after allowing two 9-year old kids to direct planes at the airport, the New York Daily News reports.

The U.S. Federal Aviation Administration on Wednesday proposed a $2.9 million civil penalty against American Eagle Airlines for using airplanes with improper repairs that compromised safety.

The U.S. Federal Aviation Administration (FAA) has called for enhanced inspections of more than 130 older Boeing 737 planes, the Wall Street Journal said, citing a safety directive that is likely to be issued on Tuesday.

U.S. aviation regulators proposed on Wednesday $9.2 million of combined safety-related fines against US Airways Group and UAL Corp's United Airlines , officials said.

U.S. aviation regulators proposed on Wednesday $9.2 million of combined safety-related fines against US Airways Group and UAL Corp's United Airlines, officials said.

AMR Corp's American Airlines faces an increasing dispute with Federal Aviation Administration regulators over allegedly improper repairs to at least 16 aircraft, the Wall Street Journal said, citing people familiar with the matter.

Southwest Airlines Co was hopeful on Monday the government would not force it to ground planes over a maintenance issue, and shares lost nearly 4 percent.