NASA has discovered an interstellar comet that's wandered into our backyard. The space agency spotted the object with the ...

Asteroid 2024 YR4 has a 0.0017% chance of hitting Earth, but media reports too often ignore the unlikelihood of impact in reports of near-Earth asteroids, a Tucson astronomer says.

Asteroid 2024 YR4 currently has small chance of striking the Earth on Wednesday, Dec. 22, 2032 The space rock is between 131 feet (40 meters) to 295 feet (90 meters) or a little less than the ...