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 ...

A different kind of technosignature Searching for radio signals assumes alien civilizations are broadcasting at the precise ...

There is no chance in hell our species will be able to reach another Earth-like planet in the Universe in the foreseeable future, so the only way we can get a sense of the habitability of such places ...

The newly discovered exoplanets, designated as GJ 9827 b, c and d, are located fairly close to their host star, completing orbits within 6.2 days. ESO A nearby 'super‑Earth' just 25 light years from ...