Asteroid 2024 YR4, which once appeared to be on a collision course with Earth, may hit the moon, which could create some problems for our planet.

Astronomers have been keeping a close watch on asteroid 2024 YR4 since its detection late last year. While initial ...

Although it won’t hit Earth, an asteroid once labeled a “city killer” is now back in the spotlight — this time, because it might hit the moon.

The 55-feet-wide space rock is hurtling through space at a zippy 17,717 miles per hour, according to the space agency.

YR4 was detected by the Asteroid Terrestrial-impact Last Alert System, or ATLAS telescope, in Río Hurtado, Chile, two days ...

The asteroid known as 2024 YR4 is out of sight yet still very much on scientists' minds. It now poses a threat to the moon, rather than Earth.

Any uncertainty in the calculation of the object’s orbit causes variations in the predicted solution. Instead of one precise orbit, the calculation usually gives scientists a cloud of its possible ...