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

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 ...

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

The city-killer asteroid's Moon impact risk has almost more than doubled, according to new NASA reports. Here's what we know.

NASA's Lucy spacecraft will soon swoop past a small asteroid. It will be the second asteroid encounter for Lucy, launched in ...

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

The asteroid that once had a small chance of striking Earth and now might slam into the moon resembles a spinning hockey puck ...

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.

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

An asteroid that could be the size of a 10-storey building will now miss Earth - but the chances of the space rock slamming into the moon have doubled. Asteroid 2024 YR4 briefly had a small chance of ...