Sri Lanka, May 4 -- An asteroid that tore through the atmosphere over Germany in January was spinning faster than any other near-Earth object ever recorded, new research suggests.

The space rock, dubbed 2024 BX1, turned into a fireball and exploded over Berlin in the early hours of Jan. 21. Although small asteroids on collision courses with Earth are typically detected only when they crash into the atmosphere, scientists spotted this one roughly three hours before impact.

That's not the only way 2024 BX1 was unusual, according to a paper published to the preprint database arXiv on April 5. Researchers think the asteroid, which was traveling 31,000 mph (50,000 km/h), was rotating once every 2.6 seconds - the fastest spin ever seen for an...