Earth gained a mini-moon this Sunday, Sept. 29 by capturing a nearby asteroid with its gravitational field. Earth pulled asteroid 2024 PT5 into its gravitational field, changing the asteroid’s orbit ...

SPACE (KXAN) — Earth is picking up a new moon later this week. This mini-moon is about 33 feet across, the size of a small school bus, and will orbit the Earth from Sept. 29 to Nov. 25. “We don’t know ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific ...

Science fiction has had a field day with the idea that technologically advanced aliens might build a Dyson Sphere — a star-system-sized megastructure that encloses a whole star — or something similar, ...

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 will have a visitor within its orbit for the next several decades, according to astronomers. An asteroid named 2025 PN7 has become a "quasi-moon" to Earth, as it will be sharing an orbit with ...

A newfound asteroid has been discovered to be trailing Earth on an oddball course: an orbit that looks a lot like a horseshoe. The space rock, called asteroid 2010 SO16, has been following Earth as ...

A new astronomical body has been detected around Earth, and experts are stunned. The discovery, a quasi-moon named 2025 PN7, has shocked everyone, as it has supposedly been sharing Earth's orbit for ...