Carved into granite with mirror-smooth walls and perfect lines, the Barabar Caves show a level of skill far beyond their time. Their construction remains a mystery in ancient engineering. Senate ...

In a world first, Chinese scientists have successfully carried out satellite laser ranging between Earth and the Moon in broad daylight. This achievement marks a monumental leap in space exploration, ...

Abstract: Distributed-feedback fiber lasers (DFB-FLs) based sensors have achieved great performance in strain sensing for realizing the resolution to pico-level, while higher strain resolution is ...

Some of the activists detained while trying to reach Gaza by sea have returned to their home countries to describe abuse and humiliation at the hands of Israeli guards. Some 450 activists were ...