Researchers may have finally traced 1977’s famous extraterrestrial anomaly back toward massive, naturally occurring hydrogen ...

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

From GPS satellites to mobile networks, modern technology relies on ultra-precise radio signals. Engineers have long tried to ...

A young planet 370 light-years away is emitting an unexpected radio signal, giving a clearer view of how giant planets grow.

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

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.

Add Yahoo as a preferred source to see more of our stories on Google. The James Webb Space Telescope imaged galaxy NGC 4141, where astronomers traced the precise origin of a recent fast radio burst ...

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

Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the source of potential signals than previously thought. Conditions around ...

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 ...