A view of the dark vortex in blue light (right) and its bright companion clouds (left). (NASA, ESA, and M.H. Wong and J. Tollefson (UC Berkeley) ) (NASA, ESA, and M.H. Wong and J. Tollefson (UC Berkeley)) NASA just spotted a huge dark spot on Neptune for the first time this century, and it's roughly the size of the United States. Features of this dark spot, aptly called a dark vortex, were first detected in July 2015, but it wasn't...

At a Glance Recent hydrothermal activity may explain Cere's brightest area, NASA reports.New evidence of also find ammonia-bearing salts on the dwarf planet. Two new scientific papers are offering new insights on the mystery of the bright spots on Ceres, the dwarf planet that NASA’s Dawn Spacecraft has been orbiting and analyzing since last spring. According to Space.com, for more than two centuries after its 1801 discovery. One of its more elusive mysteries is the famous bright spots on Ceres...

The sun has lost its spots, here’s why. ...