New York Times - Space & Cosmos

On nighttime excursions in dark-sky hot spots like Norway, New Zealand and Nevada, all you have to do is relax and look up. The stars will do the rest.

The U.S. has pressed Argentina and Chile to review two Chinese telescope projects in the Andean deserts. Astronomers are worried about setbacks to research.The unfinished Chinese telescope at night at the Cesco observatory in El Leoncito, in Argentina’s San Juan Province.

The Pentagon on Friday released online what it called “new, never-before-seen” files, dating back decades, related to unidentified flying objects.An image of a U.F.O. resembling a football-shaped body near Japan that the U.S. Indo-Pacific Command reported.

The initial files are murky images that show what could be anything. The government said more would be released on a rolling basis.

A gradual dimming and brightening when a star passed behind it suggested the mini-Pluto was wrapped in a thin layer of air.