Philly psychology students map out local landmarks and hidden destinations where they find happiness in the cityscape ...

Some students mentioned happy places that are less known. These include tucked-away gardens such as the John F. Collings Park at 1707 Chestnut St., the rooftop Cira Green at 129 S. 30th St. and the ...

The world’s oldest map of the night sky was amazingly accurate. Newly discovered fragments of 2,200-year-old star coordinates—once thought lost—reveal the incredible skill of the ancient ...