(via minutephysics) We think of the moon as orbiting the earth, following a spiraling trajectory as the earth itself orbits the sun. But this is wrong. Not only is the moon's orbit NOT a spiral ...

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 ...

A small asteroid has been quietly following Earth’s orbit for decades—unseen, unbothered and, until recently, completely unknown. Astronomers have now confirmed the existence of 2025 PN7, a so-called ...

Later this month, the earth will briefly gain a new moon. An asteroid called 2024 PT5 will be making a horseshoe-shaped partial orbit around Earth before it breaks free of our planet's gravitational ...

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 ...

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 ...

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