Can aliens travel to Earth? Here's why physics makes interstellar flight nearly impossible

The Pentagon on 22 May 2026 released a second trove of once-classified images and video footage of unexplained flying objects ...
Space.com

Pentagon unveils trove of declassfied 'UFO' videos. How to see them all, from 'a football ...

The Pentagon released its first tranche of declassified "UFO files" on Friday (May 8), responding to a directive that President Trump issued in February. The new release consists of 161 files, most of ...