Though scientists understand how anticyclones form on Earth, no one knows for sure exactly how or when the Great Red Spot formed, according to the Planetary Society. It's also not clear why it is ...

“It’s in a global system.” The Great Red Spot has been shrinking since it was spotted in the 1800s. It’s currently 1.1 times as wide as Earth —about the size of the long-lost Permanent Spo ...

Today we know this conspicuous feature as the "Great Red Spot," a swirling storm wider than Earth. Curiously, earlier astronomers, like Giovanni Domenico Cassini in 1665, also observed a colossal ...

Jupiter’s iconic Great Red Spot (GRS), a huge storm that has raged for nearly two centuries, is slowly disappearing. New research suggests that this colossal vortex, swirling at speeds up to 450 ...

The Great Red Spot is a massive vortex within Jupiter’s atmosphere that is about 10,159 miles (16,350 kilometers) wide, which is similar to Earth’s diameter, according to NASA. The storm ...

In the 1660s, Italian astronomer Gian Domenico Cassini discovered something while looking at the planet Jupiter: a massive spot now known as the planet’s signature. Known as the Great Red Spot ...

the storm was more than three times as wide than Earth, and it has been rapidly shrinking ever since. It could be that as nature’s forces push it to seek a more ideal shape, the Great Red Spot ...