Reuters Science News Summary

After more than 70 years of film-making, Attenborough's ⁠instantly recognisable voice is synonymous with the story of nature.

Following is a summary of ​current science news ​briefs.

Trump releases government ‌UFO files, ​more expected

At the order of U.S. President Donald Trump, the ‌Defense Department on Friday released dozens of previously classified files on alleged UFO sightings to provide what it called "unprecedented ‌transparency" to the American people, though analysts said ‌many of the documents had already been made public. The disclosure of documents, photos and videos of "unidentified anomalous phenomena" will be ⁠followed ​by future releases ⁠as more materials are declassified, the Defense Department said in ⁠a statement.

David Attenborough turns 100, 'overwhelmed' by birthday wishes

David Attenborough said ​he had been "completely overwhelmed" by birthday greetings as he ⁠turned 100 on Friday in a worldwide outpouring of affection ⁠for ​the British wildlife broadcaster after decades of trailblazing work. After more than 70 years of film-making, Attenborough's ⁠instantly recognisable voice is synonymous with the story of nature. ⁠He is ⁠still at the vanguard of efforts to protect the environment and has produced ‌some ‌of his most influential work in ​recent years.