When the New York Times first wrote about "mysterious radio waves" from the cosmos in 1933, they made sure to note one fundamental caveat: "No Evidence of Interstellar Signaling." Indeed, the radio ...

Michael J. I. Brown receives research funding from the Australian Research Council and Monash University. Supermassive black holes reside in some of the biggest galaxies in the universe. They tend to ...

Researchers report that lab tests of a new metasurface-based antenna that can harvest 100 microwatts of power, enough to power simple devices, from low power radio waves. This represents an important ...