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. The newly ...

If 1 million satellites were positioned at different points between Earth and the moon, less than 10% would survive long enough to be worth the hassle of sending them up in the first place, new ...

Earth has a newly discovered—albeit temporary—companion in its journey around the sun. In research published this month in Research Notes of the AAS, a non-peer reviewed publication from the American ...

Some planets in our solar system have an incredible amount of moons. Jupiter has 95, with names like Ganymede and Europa. Remarkably, though, Saturn has almost three times that number, including the ...

NASA's astronomers have recently discovered a ‘quasi-moon' orbiting within Earth's orbital neighbourhood. This quasi-moon spotted in 2025 is an asteroid and not the first celestial object to be ...

Researchers have developed a mathematical method that enables more precise calculations of the most economical travel routes between the orbits of celestial bodies. To demonstrate this method, they ...