Astronomers recently detected a stray quasi-moon in our planet’s orbit, but it's hardly the first stowaway to hang out around ...

Characteristics: Quasi-moons can range in size from 30 feet to 1,000 feet. They experience gravitational tugs from Earth, allowing them to slide in and out of shared orbits. Discovery: Astronomers ...

Earth has quietly picked up a new traveling companion, a tiny captured object that astronomers say will loop around our ...

“Impact flashes on the moon are very common,” University of Colorado Boulder astrophysical and planetary sciences professor Paul Hayne said. “In fact, they happen more or less every night, and it’s a ...

The asteroid, known as 2022 RD2, belongs to a rare class of space rocks called Arjunas. These objects travel around the sun ...

Earth will be getting a second moon in the form of Asteroid 2024 PT5, which will start orbiting our planet later this month. brutto film - stock.adobe.com Our blue moon will no longer be standing ...

On Sunday, Sept. 29, Earth captured a new "mini-moon" called 2024 PT5. The bus-size asteroid is expected to orbit our planet for 57 days, but is too small to be visible to amateur skywatchers. When ...

Theia, the world that helped form the Moon, came from the Solar System. Chemical clues in Earth and Moon rocks reveal this ...

New research suggests that Theia, the object whose collision with Earth is theorized to have caused the formation of the moon ...