A recent SETI Institute study suggests that space weather could blur and weaken extraterrestrial radio signals long before ...

The "invisible" Universe offers a spectacle far vaster than what our direct vision allows us to appreciate. A recent mapping ...

A radio signal will be bounced off a large asteroid that will pass Earth in 2029 at a distance closer than several geostationary satellites on Dec. 27, according to a press release by NASA. Asteroid ...

A group of researchers is attempting to bounce radio signals off a 500-foot-wide asteroid during its close flyby of Earth on Tuesday. The High Frequency Active Auroral Research Program (HAARP) is ...

Radio telescopes come in all shapes and sizes, depending mainly on the radio wavelengths they are designed to receive. The most familiar sort is a curved dish that reflects radio waves to a focal ...

Last week, we explored whether light is a wave or a particle... and were left with more questions than answers. Now, let’s take a look at how one of nature’s flashiest phenomena can affect another ...

Imaging and mapping of electric fields at radio frequencies (RF)* currently requires the use of metallic structures such as dipoles, probes and reference antennas. To make such measurements ...

How can we measure visible light? The electromagnetic spectrum includes all forms of light energy, known as electromagnetic radiation. (1) Different types of electromagnetic radiation such as radio ...