The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

Earth's radiation budget is a core process of the Earth-atmosphere system, closely linked to global climate and environmental ...

Add Yahoo as a preferred source to see more of our stories on Google. Move over moon, Earth has a new partner and it’s a small asteroid named 2025 PN7, now officially recognized by NASA as a ...

Scientists are beginning to read Earth in a different way, not from orbit, but from the surface of the moon. A recent study, ...

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 ...

Earth’s atmosphere is slowly leaking into space, and new research shows some of it reaches the Moon, where it may be ...