Most SETI attempts have focused on a narrow stretch of the radio spectrum known as the “water hole." ...

Pulverised technology from collapsed alien civilisations may lie scattered across the solar system, including on the Moon, a new study suggests. The likelihood of advanced aliens living at the same ...

The search for extraterrestrial intelligence has traditionally focused on detecting radio signals or laser transmissions from distant civilisations. But a new study proposes a very different idea: ...

With over decades of films and convincing radio plays, aliens have captivated our imaginations and our worst fears. They’ve come in all shapes and sizes, looking either cute and cuddly or absolutely ...

The Fermi paradox asks why we haven’t found aliens yet. Scientists say the answer may lie in timing, technology, and the vast scale of space.