The US has more than 800 F-35 jets and a 1.6-trillion-dollar bill, but only 25 percent are fully mission capable, and a scathing GAO report explains why

A GAO report reveals only 25% of U.S. F-35 fighters are fully mission capable despite the program's massive cost.

An American startup says its 5-megawatt fusion engine is ready, and it is inviting independent scientists to prove the reactor actually works

American startup unveils a 5 MW fusion reactor test plan and invites independent experts to verify its performance.

India is boring a tunnel through the Rohtang mountains to divert Chenab water into the Beas, and Pakistan stands to lose every drop

India's Chenab-Beas tunnel could redirect Himalayan water, raising major engineering and geopolitical questions.

Brazil is pushing a bullet train between Rio de Janeiro and Sao Paulo that could hit 220 mph and reshape how a continent travels

Brazil's proposed bullet train could connect Rio and São Paulo in under two hours and transform travel across the country.

A $4 billion construction push is quietly turning a remote US Air Force base into the primary home of America’s next stealth bomber

A massive construction project is preparing Ellsworth Air Force Base to become the first operational home of the B-21 Raider.

Britain is building four mini nuclear reactors in Nottinghamshire, and together they will quietly power 1.2 million homes from one small site

Britain plans four SMR-300 reactors at Cottam, turning a former coal plant into clean power for 1.2 million homes.

Argentina is boring a tunnel through the Andes to revitalise a train that’s been gone for 42 years

Historic Trans-Andean Railway could inspire a new tunnel linking Argentina and Chile after more than 40 years offline.

The problem with next-gen solar panels was never the sunlight, it was the toxic lead inside, and Japanese scientists just recovered 99.7 percent of it

Flexible perovskite solar cells get a greener future as Japanese scientists recover 99.7% of their toxic lead.

America just switched on its largest renewable project ever, and it now pushes out more power than the Hoover Dam itself

America's largest renewable energy project is now online, generating more electricity than Hoover Dam with wind and HVDC ...

The company behind Barcelona’s Sagrada Familia drone show just broke the world record for drones flying at once, and it was brutal

Flock Drone Art Studio sets a Guinness World Record with 3,097 drones, turning Portugal's night sky into a giant message.

Big Boy No. 4014, the world’s largest operating steam locomotive, will roll through Pennsylvania twice this summer, and railroad fans are already lining the tracks

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Two defense giants are forming a single company to chase a 7.2 billion euro artillery program, and the merger could reshape Europe’s arms industry

Indra and Santa Bárbara move toward a defense partnership that could reshape Spain's €7.2 billion artillery programs.