It’s rare but some solar eclipses cause stunning Instagram-worthy visual effects such as a devil’s horns, a smile or diamond ring sparkling in the sky ...

The dry spell between the end of the year—when one or the other watch wish was fulfilled under the Christmas tree—and April, ...

Harnessing a principle known as triboelectrification, researchers have worked out the optimal way to generate an electrical charge in a relatively simple way. The breakthrough could provide a ...