The second batch of UFO files comes just two weeks after the Trump administration released more than 160 documents.
The US government published a fourth instalment of unresolved cases, promising to release more files on a rolling basis.
Experts say the videos released by the US government give no evidence of alien technology or extraterrestrial life.
Neil deGrasse Tyson challenges recent UAP disclosures, urging officials to provide concrete evidence of extraterrestrial life, highlighting the gap between transparency claims and actual proof.
The Pentagon has published a fourth batch of declassified unidentified anomalous phenomena (UAP) files, ...