Claims that aliens are already here are everywhere, but proving them is another matter. The strongest cases become more ...

A newly discovered baby planet has been identified as the youngest known exoplanet in the galaxy. Approximately one million years old, this unprecedented discovery represents the youngest alien world ...

NASA has long maintained that it has found no credible evidence of extraterrestrial life, but a newly resurfaced image from Mars has reignited wild speculation. The photograph, captured by the ...

Forbes contributors publish independent expert analyses and insights. Kevin Holden Platt writes on space defense, SpaceX, ISS, Space War I This voice experience is generated by AI. Learn more. This ...