On Friday, April 13, 2029, an asteroid will come closer to Earth than orbiting geosynchronous satellites in a ...

This is a still from an animation showing asteroid 2024 YR4 as it passes by Earth and heads toward its potential impact with the Moon. This 3D shape of the asteroid was determined from data ...

“Dinosaurs were probably not inevitably doomed to extinction at the end of the Mesozoic,” Chiarenza said. “If it weren’t for that asteroid, they might still share this planet with ...