Nature’s most impressive conversations happen at frequencies we cannot hear. While humans perceive sounds between 20 and 20,000 hertz, many animals have evolved to communicate using infrasound. These ...

Scientists have detected sounds high in Earth's atmosphere that can't be identified. A solar-powered balloon mission launched by researchers from Sandia National Laboratories carried a microphone to a ...

WASHINGTON--After their initial blast, space rockets shoot away from the Earth with rumbles in infrasound, soundwaves too low to be heard by human ears that can travel thousands of miles. New research ...

The UND John D. Odegard School of Aerospace Sciences Department of Atmospheric Sciences will host Thomas Gabrielson, professor of acoustics at Penn State University, for a seminar titled "Natural ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

New research used a system for monitoring nuclear tests to track the infrasound from 1,001 rocket launches, identifying the distinctive sounds from seven different types of rockets. In some cases, ...