Lucy’s next stop — “the main event,” as Levison calls it — will be the Trojan asteroids that share Jupiter’s orbit around the ...

Astronomers have traced the origin of asteroid 2024 YR4, which appears to have broken off from a larger space rock.

Consider the dramatic visual and gravitational consequences if a large asteroid struck and fractured the Moon.

Now a different group has looked at its orbital past, suggesting a likely place of origin: the middle of the main asteroid ...

YR4 won't hit Earth, but scientists now estimate a 4% chance it could strike the Moon, possibly affecting space missions.

YR4 asteroid is thought to be hockey puck shaped and house-sized, with the asteroid, detected in December, initially thought ...

Lindley Johnson has been a pioneer in blueprinting warning and response scenarios to any potential impact of Earth by an ...

THE odds of a “city killer” asteroid that once threatened Earth instead smashing into the moon have just doubled. YR4 was ...

Astronomers at W. M. Keck Observatory on Maunakea have uncovered new insights about 2024 YR4. This is an Earth-crossing ...

An anomaly has forced the Japanese asteroid-sampling spacecraft Hayabusa2 into protective "safe mode" while journeying ...

YR4 asteroid has a near-zero chance of striking Earth, but a slim chance of hitting the moon, new research says.

A team of astronomers has determined the shape of asteroid 2024 YR4, which could hit the moon. | Credit: NOIRLab/NSF/AURA/R. Proctor Scientists have revealed the unusual shape of a large asteroid with ...