3I/ATLAS Interstellar Comet Found Rich in Methane but Dead Silent on Radio Signals: Somewhere between curiosity and cosmic awe lies the story of 3I/ATLAS — an interstellar comet that arrived from ...

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other solar systems, even if that was not their original intention. Five robotic ...

Alien probes could be hiding among us in plain sight as we search for them in the wrong places. This is the theory of professor Alex Ellery of Carleton University who argues that if self-replicating ...

Let's pretend that you want to figure out why alien civilizations have not yet made contact with our little island Earth, a concept called the Fermi paradox. One possibility is that they're out there, ...

The search for extraterrestrial intelligence has looked for many different signs of alien life, from radio broadcasts to laser flashes, without success. However, newly published […] ...