Which US rocket companies achieved the most during 2025? Once again, Ars Technica is here to provide some answers in the form ...

Freeze plugs prevent engine coolant from leaking out. One of the first signs that they'll need to be replaced is often a ...

The F-47 NGAD is positioned as a sixth-generation shift in how air combat is fought, a stealth-plus manned fighter that manages collaborative combat aircraft, compresses sensor-to-shooter timelines, ...

Shocking bodycam video shows Ohio shoplifting suspect pulling gun on police officer Americans can’t believe how rich they are Winter weather warning as 40 inches of snow to hit—travel "impossible" ...

Following a short but fierce battle with competitor Sikorsky, aircraft maker Bell Textron won back in 2022 the U.S. Army contract to design the replacement for the aging UH-60 Black Hawk. The result ...

Engine maker Rolls-Royce has begun testing the new AE 1107F turboshaft that will power the US Army’s developmental Bell MV-75 tiltrotor. Rolls-Royce says the new powerplant, which is derived from the ...

BRUSSELS—The European Union proposed watering down rules that would have effectively banned the sale of new combustion-engine cars in the bloc from 2035, after heavy pressure from the automotive ...

Beehive Industries announced on 8 December that it had completed high-altitude testing for its 200 lbf Frenzy engine. “The high-altitude test campaign, conducted at a government test facility in Ohio, ...

Pictured is a Bell photo of the company's V-280 Valor, the basis for the Army's future MV-75. Rolls-Royce's testing of the AE 1107F engine for the U.S. Army MV-75 Future Long Range Assault Aircraft ...

The groups say the agency did not adequately consider the risks of authorizing the hunt for new oil reserves. Conservation and Indigenous groups are suing the Interior Department to block new oil ...