There are currently no known asteroids on an impact course with the planet. Still, scientists are keeping a watchful eye on ...

U.S. President Donald Trump said on Sunday (July 13) he will send Patriot air defense missiles to Ukraine, saying they are ...

The ancient alleys of the medieval town of Erice and the remains of the temple of Segesta were transformed before the eyes of ...

Penn Engineering materials scientist Shu Yang and Weitzman School of Design architect Masoud Akbarzadeh teamed up to develop a 3D concrete printing system that captures carbon dioxide and boosts the ...

UPenn engineers reimagine concrete 3D printing with algae. The concrete ink is based on diatomaceous earth that has enhanced ...

Learn how laser tech, 3D printing & bio-materials are reshaping off-Earth construction for lunar & Martian habitats.