Harvard astrophysicist Avi Loeb has floated the provocative idea that humans might themselves be alien‑made 'autonomous probes,' built through advanced synthetic biology rather than evolving entirely ...

There is something almost offensive about a sky so full of stars and so empty of company. That is what gives Richard ...

Lawyer Danny Sheehan has claimed the US government is running a secret military program that allegedly involves ...

To travel between solar systems, a spacecraft would need extremely sophisticated – if not impossible – technology.