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

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

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

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 ...

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

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

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

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

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.

Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden ...

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 ...

NASA's new alien-hunting telescope, the Habitable Worlds Observatory (HWO), will be serviceable out in space (and it will ...