For spectrum analyzers lacking a tracking generator, this broadband RF noise source is affordable and will help measure a ...

A mysterious striped signal from the Crab Pulsar may finally be explained by a delicate balance between plasma effects and gravitational lensing.

Crystalline nanomaterials are valuable because their highly ordered structures give them useful properties for technologies ...

For the past two decades, scientists have wondered about a bright, distinct striped pattern seen in radio waves emanating ...

HoloRadar uses radio waves to see around corners, allowing it to detect people at T-shaped intersections like the one pictured here. Penn Engineers have developed a system that lets robots see around ...

Beneath Moltbook’s sensational framing lies a serious signal about the future of agentic A.I. and machine-to-machine coordination. Photo illustration by Cheng Xin/Getty Images At first glance, it’s ...

FBI Director Kash Patel said Monday that he had opened an investigation into the Signal group text chats that Minnesota residents are using to share information about federal immigration agents’ ...

The likelihood is that they will turn out to be radio frequency interference — but it's worth checking, scientists say. When you purchase through links on our site, we may earn an affiliate commission ...

Before a U-2 spy plane can even begin its takeoff roll, the pilot must give a precise hand signal confirming that critical safety pins are removed and the ejection system is armed. That ritual is only ...

A report from the Department of Defense’s (DOD) watchdog released publicly Thursday found Secretary Pete Hegseth endangered troops and violated department policy in using his personal cell phone to ...