Just what is the plan if we detect life beyond Earth? As Siân Boyle discovers, there remain surprisingly few contingencies for news that we are not alone in the universe If human beings were to detect ...

In 1977, Ohio State University professor Jerry Ehman walked into the Big Ear Observatory. At the time, it was one of the central hubs for the Search for Extraterrestrial Intelligence (SETI) program.

Professor Avi Loeb’s research suggests tiny fragments of meteorite came from outside the solar system (Pictures: Getty/A Loeb In January 2014, a meteor scorched its way through the atmosphere, a ...

Humans have been searching for signs of alien life for many years. From signals from space to potential sightings of unidentified flying objects (UFOs) in the sky, mankind’s curiosity has sought to ...

A simulated “alien” signal sent by a Nasa orbiter circling Mars has finally been cracked after months by a father-daughter duo, revealing the cosmic coded message. Nasa collaborated with SETI ...