I’m not sure whether it was elementary school science classes or Fred Flintstone’s Brontosaurus burgers that made the giant herbivore one of the most recognizable dinosaurs to me as a kid. But for ...

DW flew about 139,000 miles (224,000 km) away from Earth. The space rock was estimated to be about 43 feet wide (13 m).

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.