A new SETI study argues that turbulent space weather around distant stars can smear out ultra‑narrow alien radio signals, ...

Solar winds and coronal mass ejections may scatter narrow signals, making them harder for Earth-based telescopes to detect.

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of an exoplanet in an alien star system.

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our ...

Solar winds and coronal mass ejections may scatter narrow signals, making them harder for Earth-based telescopes to detect.

A rare visitor from another star system has undergone one of the most extensive technosignature searches ever conducted on an ...

In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from ...