Zipping toward Earth at around 20,000 miles per hour, the asteroid is due to make its closest approach on Tuesday.

An asteroid is headed straight toward Earth. Initially, scientists thought it would miss us, but they've made some serious ...

According to NASA, an asteroid is labelled "potentially hazardous" based on a combination of factors: its size and how close ...

NASA is also tracking a building-sized asteroid named “2025 YC3”, with a diameter of around 260 feet, and another bus-sized one known as “2025 XT7,” some 42 feet across. Both are expected to come with ...

A piece of space debris is the focus of the closest attention of astronomers worldwide as scientists evaluate a rare, but ...

The University of Arizona's OSIRIS-APEX spacecraft only made it home once in 2025, but at least it got some nice snapshots ...

NASA's asteroid deflection mission made headlines for its success—but what scientists discovered in the aftermath stunned ...

NASA is monitoring an asteroid that's hurtling towards the Earth at more than 33,000 miles per hour, according to the space agency's Center for Near Earth Object Studies (CNEOS). Designated “2025 XN4, ...

Planetary defense efforts, formalized after the 1994 Comet Shoemaker-Levy 9 impact, aim to catalog and track hazardous near-Earth asteroids (NEAs) capable of causing significant damage, with mandates ...

Everyone's favorite interstellar comet, 3I/ATLAS, flew past Earth overnight, coming within about 168 million miles (270 million kilometers) of our planet.

Unlike its predecessors, 3I/ATLAS is remarkably active; while 'Oumuamua was a dry, rocky cigar-shaped object, this new ...

Interstellar object 3I/ATLAS is confirmed as a natural comet from beyond our solar system, posing no threat to Earth despite ...