The passing gravitational waves “stretch or contract the universe by around 20 meters [about 65 feet] or so,” says Matthew ...

At double the width of our Milky Way galaxy, this jet of radio waves is the biggest ever detected so early in the universe's ...

If an extraterrestrial civilization existed with technology comparable to ours, would they be able to detect Earth?

Learn about the reflection of high-frequency signals in 5G communications and how impedance discontinuities can influence ...

The quasar that powers this jet formed within the first 1.2 billion years of the universe's existence, when it was only 9% of ...

Radiation within the visible spectrum can appear black if it is low in power – more specifically, lower in power than its ...

In the Ophiuchus galaxy cluster, astronomers spotted the largest explosion in the universe consisting of energy equal to a ...

Maxwell concluded that light is indeed an electromagnetic wave, and said that other types of phenomena at different wavelengths should also exist. In other words, he predicted the existence of radio.

RADAR stands for RAdio Detecting And Ranging and as indicated by the name, it is based on the use of radio waves. Radars send out electromagnetic ... that is really just sea "clutter". At some ...

Sixth-generation, or 6G, cellular networks are the next step in wireless communication, and electromagnetic terahertz waves ...

A blast of radio waves from the outskirts of an ancient galaxy challenges theories about what creates such bursts.

From decades of astronomical observations, scientists know that most galaxies contain massive black holes at their centers.