Earth's orbit will capture a bus-sized asteroid later this month, giving us a second moon for about two months.
Earth will have a second “mini-moon” in addition to its regular lunar companion for about two months starting on Sept. 29, ...
In just over one week’s time, Earth will gain a new celestial companion that will stay for two months in the planet’s ...
From Grace Earth may have had its own ring system that formed around 466 million years ago, lasting for tens of millions of ...