Thomas Mulligan explores the scientific limits and cosmic reach of Earth’s biological signals, revealing how far into the ...

Some of the most common planets in our galaxy may be hiding far more water than scientists can currently detect—even with the ...

Planet Earth could be giving out its own signals, which could in turn be detected by distant astronomers on an alien planet ...

For the first time in more than 15 years, the International Academy of Astronautics (IAA) Search for Extraterrestrial ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Earth's airports may be broadcasting our existence to the galaxy without anyone intending to. A 2025 study from the University of Manchester found that radar systems at major airports emit ...

Alas, it’s not a study-abroad course – yet – but exoplanets may provide insight into how life formed on Earth.

The odds of there being another intelligent life form in the Milky Way are pretty good given the billions of stars. But we ...

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth could thus be overlooking prime evidence of alien intelligence.

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Scientists have rewritten global 'first contact' protocols for how to confirm and announce the discovery of alien intelligence, stressing verification and transparency in an age of deepfakes and ...

Research indicates airport radar systems may unintentionally broadcast Earth's presence to aliens up to 200 lightyears away, ...