NASA created a haunting audio clip of sound waves rippling out of a supermassive black hole, located 250 million light-years away. The black hole is at the center of the Perseus cluster of galaxies, ...

A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.

Nokia used to be one of the world's biggest mobile phone manufacturers but it fell behind with the advent of iPhone and Android smartphones. In 2014, Nokia's Devices and Services division was sold to ...