Hubble Space Telescope imagery Neptune has revealed that the planet's clouds are disappearing. Credit: NASA Goddard Space Flight Center ...

Decades of telescope data from the Hubble Space Telescope and other observatories reveals that solar radiation triggers Neptune’s clouds.

Four years ago, astronomers noticed the abundant clouds on Neptune had largely disappeared. Telescope data may have helped researchers figure out why.

Four years ago, astronomers noticed the abundant clouds on Neptune had largely disappeared. Telescope data may have helped researchers figure out why.

Over the past few years, the white clouds that usually shroud Neptune’s surface have disappeared, and it may be because of changes in the sun’s activity over its 11-year cycle ...

Neptune’s Clouds Have Disappeared, and the Sun Might Be Responsible Scientists have linked shifts in the distant planet’s cloud coverage to the ever-oscillating solar cycle, which is due to ...

A new study shows Neptune's white clouds have all but vanished - and it may be due to intense ultraviolet (UV) light from the sun, according to scientists at the University of California, Berkeley.

Scientists have been baffled by Neptune's vanishing clouds. However, new research could explain the mystery behind this phenomenon.

Four years ago, astronomers noticed the abundant clouds on Neptune had largely disappeared. Telescope data may have helped researchers figure out why.

By Kristen Rogers, CNN (CNN) — Astronomers have been puzzling over a mystery on Neptune, and now they think they have unlocked its secret. The ice giant’s ghostly, cirrus-like clouds largely ...