"They're so rare, and they're incredibly useful scientifically," said Conor O'Riordan of the Max Planck Institute for Astrophysics.

But in 2025, they will become temporarily invisible, as The Conversation reports. The rings themselves are very thin compared to the circumference of the gas giant, so we get our best view of them ...

Four decades years after their discovery, the 13 mysterious rings around Uranus surprised astronomers again this summer. In June, new images captured their warm glow for the first time.

Luckily, you don't have to pay an expensive jeweler to have your rings resized — or look at your hand and see your once-snug wedding band is suddenly gone. Just grab a pack of these Invisible Ring ...

Four decades years after their discovery, the 13 mysterious rings around Uranus surprised astronomers again this summer. In June, new images captured their warm glow for the first time.