“Serpent Mound is the largest serpent effigy built anywhere on the planet Earth,” O’Grady said. “Serpent Mound is built up on ...

Not much is known about 2024 YR4, but the asteroid is estimated to be 131 to 295 feet (40 to 90 meters) wide, a “size range comparable to that of a large building,” said Dr. Paul Chodas ...

Scientists emphasize that this case highlights the importance of continuous asteroid tracking. Advanced monitoring helps refine predictions and ensures that potential threats are identified and ruled ...