Once upon a time, Earth may have sported a planetary ring of its very own. The hypothetical ring didn't last long, cosmically ...

Led by Monash University’s School of Earth, Atmosphere and Environment, the study was published Tuesday in the journal Earth ...

Nestled inside a planetary ring 110 light-years from Earth, a planet spotted by the James Webb telescope is the lightest ...

Planetary rings are disks containing many small chunks of ice and other materials that are in orbit around a larger object 1. Most rings are found within a critical distance of their host, known ...

Big Number. 4,100. That’s how many kilometers Quaoar’s rings are from the dwarf planet’s core. That puts its rings at a distance of roughly 7.4 of the dwarf planet’s radii from its core ...

In 2013, astronomers discovered a couple of rings around Chariklo, a body known as a centaur that orbits the sun between Saturn and Uranus.In 2017, a ring was discovered around another Kuiper belt ...

Thanks to the James Webb telescope, we can now see the nebula with more clarity. As one expert says, "We always knew planetary nebulae were pretty. What we see now is spectacular." ...

The space-based observatory has revolutionized the way we see space, and it can now add another remarkable accomplishment to ...

“Planetary rings will naturally spread or disperse over time,” said Amanda Sickafoose, an astronomer at the Planetary Science Institute and the study’s lead author, in an institute release.