Comets are often treated as leftovers, but sometimes the leftovers become the primary focus. That is the case with 3I/ATLAS, only the third known interstellar object seen crossing the solar system, ...

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

What happens if alien contact stops being science fiction and becomes real? From mysterious interstellar objects to the possibility of signals, peaceful arrival, or outright attack, the deeper ...

Scientists believe turbulent “space weather” around distant stars could be scrambling potential alien signals before they ...