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.

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

NASA has issued an alert after detecting a mysterious fast-moving object passing close to the Moon. Traveling at incredible ...

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

A “city killer” asteroid experts feared was on a crash course with Earth is now expected to miss the planet — but it still ...

An asteroid known as 2024 YR4 won't be crashing into Earth, but the James Webb Space Telescope went to get a look at it ...

A huge asteroid that was briefly feared to strike Earth now has a nearly 4% chance of smashing into the moon, according to ...

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

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

The once-dubbed "city-killer" asteroid 2024 YR4 has surprised scientists with its 'unusual' shape as it rapidly rotates through space on a trajectory that could see it hit the moon.

NASA said that an asteroid previously believed to be destined for Earth is now more likely to make impact with the moon.