In the U.S., a yellow light comes up only in between the transition from green to red. That's not the case in several parts ...

A North Carolina-based company will soon deploy the next-generation surveillance radars to modernize the U.S. National ...

Starlink is separately planning to launch yet another 15,000 satellites that are designed for mobile service. SpaceX asked ...

Ixana's Wi-R network could help smart glasses stream more reliably to other connected wearables. After seeing a few demos at ...

Your browser does not support the audio element. In a significant advance for astronomy, researchers from the Breakthrough Listen initiative, working in collaboration ...

A delay on the MBTA because of a "signal problem" is a regular occurrence. But for many MBTA riders, what that means is a mystery. Simply put, the signal system is "the intelligence that helps trains ...

In 1977, the Ohio State University’s Big Ear radio telescope received an unusually strong narrowband radio signal, leading to widespread excitement about the possibility of having encountered evidence ...

Researchers in China have conducted the most thorough search yet for alien radio signals in the nearby TRAPPIST-1 system, which may harbor potentially Earth-like planets. When you purchase through ...