From the front lines of the Cold War to the trenches of Ukraine, archival photos tell the story of Radio Free Europe, which ...

Sweat stains on clothing can trigger alarms on airport body scanners. False alarms are common, and travelers can request a ...

A new three-dimensional (3D) vector parabolic equation method (PEM) is proposed to study the propagation of electromagnetic waves in tunnels, which is particularly useful for modeling wave propagation ...

Exoplanet HIP 67522 b, fluffed up to the size of Jupiter, circles so close to its star that it’s triggering violent flares — ...

NPR's Juana Summers speaks with Mikhail Chester, professor of engineering at Arizona State University, about how extreme heat affects transportation infrastructure.

This is the first time an object in its class has been detected in X-rays. The discovery could lead to a better understanding ...

Mountains, sub-glacial lakes, hidden valleys, even remnants of lost civilizations: what lies under Antarctica’s vast ...

Scientists are trying to solve a decade-long mystery by determining the identity of anomalous signals detected from below ice ...

Propagation of electromagnetic waves in forest environments at medium and high (1-100 MHz) frequencies is examined for the case where both the transmitting and receiving points are situated within the ...

Scientists are peering into the universe's mysterious Cosmic Dawn using the faint whispers of hydrogen radio waves emitted ...

Science Scientists baffled about unknown radio waves emanating from deep within Antarctica: “It’s an interesting problem” A NASA experiment has picked up bizarre cosmic whispers—and they ...