Mostly young, male audiophiles throng a Singapore hotel ballroom, intently assessing headphones, earbuds and in-ear monitors - priced from $50 to as much as $10,000.

NASA's Kepler spacecraft is in trouble -- far, far away.

Germany's Deutsche Post is testing robots that could help postal workers cope with increasing numbers of parcels on their delivery rounds

China could become one of the earliest countries to ride the wave of virtual reality development and lead the tech revolution in the post-mobile era, according to industry experts.

Piloting a fighter jet, dodging skyscrapers and battling alien intruders -- all while barreling along a steel track hundreds of feet in the air.

Like innumerable children with imaginations fired by animated films, Hong Kong product and graphic designer Ricky Ma grew up watching cartoons featuring the adventures of robots, and dreamt of building his own one day.

Scientists have known for years that 55 Cancri e, a "super-Earth" 40 light years from Earth, is a bit warm. Now they have a better idea of exactly how hot.

The European Space Agency wants to build a village on the Moon.

Is our Universe one of many?

The big announcement of the day was the smaller iPhone SE -- a 4-inch iPhone with updated internals