When a space rock the size of a small building gets a little too close for comfort, scientists everywhere pay attention. In ...

A potentially hazardous asteroid roughly the size of an aircraft carrier is due to pass within 2.8 million miles (3.5 million ...

The upcoming flyby is a dress rehearsal for 2027 when Lucy reaches its first so-called Trojan asteroid near Jupiter. Cranking up its three science instruments, the spacecraft on Sunday will ...

Earth is perfectly safe from a menacing asteroid known as 2024 YR4 that is big enough to level a city, but the moon? Not so ...

NASA’s Lucy spacecraft will swoop past a small asteroid this weekend as it makes its way to an even bigger prize: the unexplored swarms of asteroids out near Jupiter. The upcoming flyby is a ...

The James Webb Space Telescope has taken another look at the potential "city-killer" asteroid 2024 YR4 and found its chances ...

It was considered a dress rehearsal for the more critical asteroid encounters ahead closer to Jupiter. Recommended Videos This asteroid is bigger than scientists anticipated, about 5 miles (8 ...

(AP) — NASA’s Lucy spacecraft will swoop past a small asteroid this weekend as it makes its way to an even bigger prize: the unexplored swarms of asteroids out near Jupiter. The upcoming flyby ...

The asteroid 99942 Apophis is headed for a close flyby with Earth on April 13, 2029, and space agencies are coordinating efforts to study the object during this the once-in-a-lifetime experience.