NASA first shared what Mars sounds like last year, using microphones placed on the Perseverance rover. Since then, though, scientists have been studying the recordings, and have even created a ...

Summer is the season of sound in Chicago: from fireworks to car stereos, the jingle of paleta carts to outdoor concerts. But hearing a concert from over four miles away? That’s exactly what happened ...

Sound needs a medium (solid, liquid, or gas) to travel. Space is a vacuum, lacking the matter to carry sound waves. No sound in space means no echoes. While a near-perfect vacuum, some sounds can be ...

In the ETH experiment, self-oscillations (blue-red) cause sound waves (green, orange, violet) to travel through the circulator only in one direction. Credit: Xin Zou Researchers at ETH Zurich have ...

The top layer represents the location of the sound source and the path of sound propagation (A). The bottom layers represent convergence zones with different sound propagation paths (B-F). Sound waves ...

This weekend, San Francisco will welcome the second iteration of the two-day Portola Music Festival held at Pier 80 near the city’s Dogpatch neighborhood. Many residents remember last year’s festival ...

Karen Hopkin: Bats rely on echolocation to navigate the night skies and to chase down and capture even erratically moving prey. But even more impressive than their aerial acrobatics are the mental ...