Astronomers studying a distant galaxy cluster stumbled upon ancient radio signals that might hold clues to the formation of ...

A communications satellite out of commission since 1965 is chirping at the Earth in radio frequencies. What is happening? We ...

A NASA satellite that’s been orbiting as space junk since 1967, Relay 2, emitted an unexpected, powerful radio burst that ...

After taking a closer look, however, the team realized that the only viable source for the burst was NASA’s dead Relay 2, a ...

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The team suggests that if there are small mountains on pulsars, China’s FAST (Five- hundred-meter Aperture Spherical ...

Learning Waves is relaunching its Radio Presenter Course this autumn, offering aspiring broadcasters in Ireland a direct ...

Between 50 and 1,000 kilometers above our heads is the ionosphere, a layer of Earth's upper atmosphere consisting of charged ...

Antarctic scientists detect unexplained radio waves under the ice while searching for neutrinos, with researcher Stephanie Wissel noting these signals defy physics ...

Fisheries acoustics uses sound waves to detect who's swimming through Maine's waters. At its core, fisheries acoustics is essentially a really "fancy fish finder," says Arron Whitman, a senior ...

Caltech simulations reveal what happens when black holes collide with neutron stars—violent cracking, intense shock waves, ...