PARIS—A key milestone for the Pentagon’s program to upgrade the F-35 engine has been pushed back a year, raising questions about the overall timeline of the effort. The engine upgrade will reach ...

A recent report from the Pentagon's test office found the F-35 program is still struggling to develop and test software, highlighting persistent challenges. The program “has shown no improvement in ...

A F-35 pilot spent 50 minutes on a conference call mid-air with engineers to solve a problem with a $200 million jet before it plummeted onto the runway at Eielson Air Force Base in Alaska, forcing ...

All three of the F-35 Lightning variants are particularly formidable. The Royal Air Force’s F-35B contingent has taken center stage at the ongoing multinational Exercise Falcon Strike 25. F-35s are ...

Lockheed Martin wants to be able to sell its "fifth-generation-plus" F-35s, souped up with sixth-gen tech, to friendly nations, the company's CEO said. (U.S. Air Force) Lockheed Martin plans to fold ...

A Houthi surface-to-air missile reportedly forced a US F-35 to take evasive action. The highly advanced F-35 is considered one of the top stealth fighter jets in the world. The aircraft, however, is ...

An Air Force F-35 pilot was on the phone midair with Lockheed Martin engineers for nearly an hour attempting to resolve a landing gear issue before ultimately having to eject from the jet, according ...

The demonstration showed how the stealth fighter can gather critical intel and export it to allies. The F-35's advanced sensors and avionics allow it to act as the quarterback for a given mission. The ...

The crash of an F-35 stealth fighter jet in California joins a list of accidents in recent years that have highlighted controversy surrounding the aircraft. The U.S. Navy said July 30 that the jet ...

President Donald Trump says he has agreed to sell the nation’s most advanced fighter jet to Saudi Arabia despite concerns that China could gain access to the plane’s vaunted American technology.