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

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Astronomers studying a distant galaxy cluster stumbled upon ancient radio signals that might hold clues to the formation of the early universe. While studying the distant galaxy cluster known as ...

For four decades, many SETI experiments have focused on finding sharp spikes in frequency but the new study says signals may not stay narrow as they travel away from their home system.

Solar storms around distant stars may be erasing alien radio signals before we ever hear them In A Nutshell Stellar winds and solar storms around distant stars may be distorting alien radio signals ...

Stellar plasma can smear alien radio signals before they escape their star system, making them harder for astronomers to detect.

Understanding how the universe transitioned from darkness to the emergence of stars marks a critical shift known as Cosmic Dawn. Yet, astronomers have struggled to unravel details about the first ...

The unusual radio pulses were detected by the Antarctic Impulsive Transient Antenna (ANITA) experiment, a range of instruments flown on balloons high above Antarctica that are designed to detect radio ...

A scientific paper was recently published on Cornell University's arXiv describing a radio burst that lasted for a mere 30 nanoseconds. Maybe that doesn't sound too exciting, except that the signal ...

The radio source belongs to a new class of celestial entities, called long-period radio transients.

For the first time, a team of US researchers has used sensors containing highly excited Rydberg atoms to detect signals from an ordinary handheld radio. Through a careful approach to demodulating the ...