According to recent analysis, water vapor plumes erupting from cracks in Enceladus’ icy shell have a pH between 10.1 and 11.6 ...

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

A fleeting glow observed on Saturn on July 5th has puzzled scientists. This potentially unprecedented event could mark the ...