A NASA spacecraft will make a close approach to an asteroid in the main belt on Sunday afternoon, in the second of several ...

NASA’s Lucy spacecraft is set for a high-velocity encounter with the asteroid Donaldjohanson on Sunday, April 20, marking a ...

The first was a flyby of the asteroid Dinkinesh on Nov. 1, 2023. This coming Sunday, Lucy will zip past her second target, ...

Originally, the hypothesis was that Theia gave the Earth a glancing blow, and the proto-Earth and Theia lost pieces ending up as one or two moons that eventually formed the Moon. It was thought that a ...

NASA’s Lucy will venture as close as 596 miles to this asteroid, an estimated 2½ miles in length but much shorter in width. Scientists should have a better idea of its size and shape following the ...

Consider the dramatic visual and gravitational consequences if a large asteroid struck and fractured the Moon.

NASA is closely monitoring a building-sized asteroid as it makes its closest approach to Earth today, among a group of five ...

Despite a few months topping the hit list of the most dangerous asteroids, it is now certain that 2024 YR4 won’t hit our ...

The asteroid that once had a small chance of striking Earth and now might slam into the moon resembles a spinning hockey puck ...

Astronomers have traced the origin of asteroid 2024 YR4, which appears to have broken off from a larger space rock.