I wanted to hug my husband and hug my dogs – and I’ll say in that order,” said Suni Williams, one of the astronauts. She also ...

We still don't fully understand what triggers lightning. A new study suggests that showers of cosmic rays may be the missing ...

The term 'laser' stands for "Light Amplification by Stimulated Emission of Radiation." Lasers are made of a source of energy, ...