Even Mars might have had a ring in the past. Could Earth have been part of this planetary ring club too? The idea that Earth ...

"The idea that a ring system could have influenced global temperatures ... Tomkins. Read also: Mars exploration update: Perseverance rover unveils hints of ancient water body, sparking life ...

A new study implies that in the past, moons in our solar system may have had rings just like planets do — deepening the mystery of why no ringed moons exist today.