Scientists at Lawrence Livermore National Laboratory simulated one million satellite orbits in the vast stretch of space between Earth and the Moon, and fewer than one in ten survived the full ...

Everyone who has ever lived on Earth has been well-aware of the moon, but it turns out Earth also has some frequent temporary companions. These "quasi-moons" are small asteroids that enter into a kind ...

Astronomers have spotted a quasi-moon near Earth — and the small space rock has likely been hanging out near our planet unseen by telescopes for about 60 years, according to new research.Related video ...

Late in 2024, astronomers spotted a new near-Earth asteroid named 2024 YR4. By mid-2025, its improved orbit tracking raised an unusual possibility: the space rock could hit the Moon on Dec.