The universe is vast, and even within a mere 50 light-years of Earth lies a stunning variety of stars that defy imagination. This relatively small region of our cosmic neighborhood hosts over 1,400 ...

Join us on a journey to the Alpha Centauri system,the closest star system to Earth and one of the most promising locations in the search for alien life. Just 4.22 light-years away, this triple-star ...

Researchers from the University of Manchester showed how radio waves generated by military aircraft and airports are likely to be detected by aliens.

Aliens could spot Earth because of airports such as Heathrow and Gatwick, according to new research. Radar systems used by ...

Humans might not know of any intelligent beings beyond Earth, but if they exist, they might already know about us. New ...

Proxima Centauri b is the closest known exoplanet to our solar system that is thought to be within the habitable zone of its star.

A new study reveals that a common human technology may be quietly broadcasting our presence to alien civilizations—without us ...

Since Proxima Centauri b is potentially habitable, there are a lot of different sensors that scientists would like to take to it to monitor it closely.

This artist’s concept depicts one of the solar system’s inner planets slamming into Earth after being nudged on a collision course by a passing star. Such a world-shattering cataclysm is ...

Discover interesting facts about the sun, the solar system's central star that supports all life on Earth.