Knewz.com has discovered that the distant blemish, first observed by Italian astronomer Giovanni Domenico Cassini in the 1600s, is not the same red spot visible today. A new paper published in the ...

Some experts believed it was centuries old and first observed by Italian astronomer Giovanni Domenico Cassini in the 17th century, while others thought the storm was more recent. Now, new research ...

Scientists have determined the true age of Jupiter's Great Red Spot, revealing the storm system is younger than the US. The massive swirling storm system was originally thought to have been ...

In 1665, astronomer Giovanni Domenico Cassini observed a massive storm raging on Jupiter. It became known as the Great Red Spot, a swirling oval of clouds that’s almost twice as wide as Earth.

From 1665 to 1713, astronomer Giovanni Domenico Cassini and others observed a dark oval — nicknamed the Permanent Spot — on Jupiter at the same latitude where the Great Red Spot now swirls.

Jupiter's iconic Great Red Spot has persisted for at least 190 years and is likely a different spot from the one observed by the astronomer Giovanni Domenico Cassini in 1665, a new study reports.

“He had no hobbies,” says Gabriella Bernardi, author of Giovanni Domenico Cassini: A Modern Astronomer in the 17th Century. “From his diary emerges a man completely devoted to his profession.

Giovanni Domenico Cassini (1625-1712) was an Italian-born, French-naturalized engineer, mathematician, and astronomer. He first identified a gap (the eponymous Cassini Division) between two of ...