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 ...

This experimental setup shows an ultra-low-power wireless communications device that could one day be used in tiny remote sensors. Zerina Kapetanovic, CC BY-ND A new ultra-low-power method of ...

At night, you can listen to AM radio from stations on the other side of the country. To find out why, we need to look high into the atmosphere. Not all radio waves travel farther at night than during ...

A bizarre spinning object has been detected sending out strange radio wave pulses deep in space. This object, named GPM J1839-10, is around 15,000 light years away from Earth, and has been spotted by ...

Astronomers at the Massachusetts Institute of Technology have picked up repetitive radio signals from a galaxy billions of light-years from Earth. Scientists have not been able to pinpoint the exact ...

The United Kingdom has announced that its soldiers have successfully tested a Radio Frequency Directed Energy Weapon (RFDEW) that can take down a drone swarm within seconds. The RFDEW system is being ...

While SpaceX’s Starlink satellites are enabling internet access and cell phone communications around the globe, they’re also posing a threat to radio astronomy, a new study suggests. In some ...