Earth got stuck. After inventing single-celled organisms and teaching them biochemical tricks such as the energy-creating miracle of fermentation, evolution cranked out nothing but simple communities ...

A top US academic has crunched the numbers on how soon we can expect to see "catastrophic" disclosure of contact with an ...

A father-daughter duo has decoded an alien-like signal beamed from a spacecraft in 2023. Now, citizen scientists are trying to interpret the cosmic puzzle.