After almost two months of companionship, Earth has just lost its “mini-moon.” On Monday, the asteroid dubbed 2024 PT5 was ...

Astronomers have identified asteroid 2022 WJ1 as the smallest asteroid ever characterized, measuring just 16 to 27 inches in ...

In an international study led by Western University and Lowell Observatory, scientists describe a pioneering, integrative ...

Another hypothesis is that Phobos and Deimos formed very much like Earth's moon did — that an impact on the surface of Mars ...

Discovered in 2014, the S2 asteroid has captivated scientists with its sheer magnitude and the profound effects of its impact ...

Last month, an asteroid impacted Earth's atmosphere just hours after being detected — somehow, it managed to circumvent ...

After a two-month visit, 2024 PT5 is ready to continue its cosmic journey—but it will be back in a few decades.

Asteroid 2024 PT5, Earth's temporary mini-moon, is about to return to orbiting the sun after two months in orbit. A new study ...

Earth may have had a ring made up of a broken asteroid over 400 million years ago, a study finds. The Saturn-like feature ...

Earth is about to bid farewell to its temporary celestial companion as asteroid 2024 PT5 prepares to depart our orbit on ...

2029 Apophis asteroid flyby will be a close encounter with Earth Earth’s gravity may dramatically alter the surface of ...

Earth's "second moon" won't be sticking around for Thanksgiving, but just as many of us will on Thursday (Nov. 28), it seems ...