India's capital restricts cars as people choke in dirty air

Authorities restricted many private vehicles from taking to the roads of India's capital on Monday amid a public health crisis that has left New Delhi residents gasping and their eyes burning from toxic air pollution.

Why is the Pentagon interested in UFOs?

U.S. Navy pilots and sailors won't be considered crazy for reporting unidentified flying objects, under new rules meant to encourage them to keep track of what they see. Yet just a few years ago, the Pentagon reportedly shut ...

US expands probe into air bag failures to 12.3M vehicles

U.S. auto safety regulators have expanded an investigation into malfunctioning air bag controls to include 12.3 million vehicles equipped with bags that may not inflate in a crash. The problem could be responsible for as ...

Flying cars: Automating the skies means playing with our lives

Recent research suggests that flying cars could eventually be a sustainable way to free up roads. The first models are set to hit our skies in 2019 as personal playthings, while industry sees them as taxis and commuter vehicles ...

Toward urban air mobility: Air taxis with side-by-side rotors

In this high-resolution visualization of NASA's side-by-side, intermeshing rotor air taxi concept, researchers are working to understand complex rotor air flow interactions, simulated using high-fidelity computational fluid ...

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