The first was a flyby of the asteroid Dinkinesh on Nov. 1, 2023. This coming Sunday, Lucy will zip past her second target, ...

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

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

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

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

The once-dubbed "city-killer" asteroid 2024 YR4 has surprised scientists with its 'unusual' shape as it rapidly rotates ...

An asteroid which could be up to 220 feet wide will now miss Earth - but the chances of the space rock slamming into the moon ...

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

The asteroid is shaped like a hockey puck and is about the size of a football field in diameter which is about 60m.

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.