Earth has been cleared of an impact with the recently discovered asteroid 2024 YR4, but there are still risks to the planet and future space missions, like the Artemis program, if the 200-foot ...

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.

(CNN) — The asteroid known as 2024 YR4 is out of sight yet still very much on scientists’ minds.

Dimorphos is a moonlet asteroid that orbits a larger parent asteroid known as Didymos. Neither poses a threat to Earth, but the double-asteroid system was a perfect target to test deflection ...

By Ashley Strickland, CNN (CNN) — The asteroid known as 2024 YR4 is out of sight yet still very much on scientists’ minds. The building-sized object, which initially appeared to be on a ...

The asteroid known as 2024 YR4 is out of sight yet still very much on scientists’ minds.

Initially, YR4 was seen as a case study in why scientists do the crucial work of planetary defense, discovering and tracking asteroids to determine which ones have a chance of colliding with Earth.