Jupiter's Great Red Spot storm, which usually appears dark-red, can be seen shining a lurid blue color in an ultraviolet ...

This NASA Hubble Space Telescope image shows the planet Jupiter in a color composite of ultraviolet wavelengths. Released on ...

Jupiter’s Great Red Spot (GRS) has fascinated astronomers for over 150 years. This massive storm, large enough to engulf ...

Venus, Saturn, Jupiter and Mars will appear to line up and be bright enough to see with the naked eye in the first few hours ...

Alignments of five or more planets are rare—there will be two more featuring five or more planets this year, but after that ...

New research from a team of citizen scientists challenges the old idea that Jupiter's visible clouds are formed of ammonia ...

A groundbreaking study combining the efforts of amateur and professional astronomers has redefined our understanding of ...

At 8:07 p.m. Monday, stargazers in Chicago will see Mars disappear behind the moon and reappear on the other side of the moon ...

This NASA Hubble Space Telescope image shows the planet Jupiter in a color composite of ultraviolet wavelengths. Released on ...