The Hubble Space Telescope identified a storm in 2018, a dark spot some 4,600 miles across. Since that time, it appears to have drifted toward the equator but then swooped back up north, according ...

The Hubble image of Neptune, taken in September and November of 2018, shows a new dark storm (top center). In the Voyager image, a storm known as the Great Dark Spot is seen at the center.

A dark storm on Neptune abruptly switched directions and started moving away from almost certain death, puzzling astronomers. NASA’s Hubble Space Telescope first spotted the vortex in 2018.

The dark storm is akin to Jupiter's Great Red Spot: a persistent, raging storm ... Astronomy Dec 10, 2015 5 1057 ...