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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Human ingenuity has enabled us to engineer and launch probes like Voyager and Pioneer, capable of reaching the closest stars.

Harvard professor Avi Loeb believes that aliens are not going to visit Earth in physical form, and would instead send a "technological device guided by AI". Their visit would not be fun either, and ...