The Great Red Spot probably isn’t in imminent danger of disappearing, but weather on the outer planets can be notoriously fickle. Neptune’s Great Dark Spot, first spotted in 1989, vanished ...

The solar system's planets are set to align in the night sky in a dazzling planetary alignment, colloquially known as a planetary parade, on Friday night.

Neptune has also been seen with giant storm spots, similar in appearance to the Great Red Spot on Jupiter. When Voyager 2 flew by Neptune in 1989, it saw a storm 13,000 kilometres across, which was ...

It shows the great red spot—an anticyclone three and a half ... This photograph of Neptune was taken at a range of 4.4 million miles on August 20, 1989, 4 days and 20 hours before closest ...

Seven planets are on display in the night sky at the end of February, but some will be harder to spot than others. Here’s what you need to know to catch a glimpse.

Venus and Jupiter will be easier to spot thanks to their brightness, and Mars will stand out with its telltale reddish-orange hue, Schmoll said. However, Neptune and Uranus are not typically ...