Using emerging radio techniques refined during and after the Second World War, the astronomers detected a powerful radio ...

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

It's World UFO Day, but questions about aliens, UFOs and what governments know about them remain. UFO researcher Jon Stewart ...

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 ...

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

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