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

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

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

But 3I/ATLAS is no ordinary rock – it’s a comet from beyond the solar system which greeted the Earth on December 19. It’s ...

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

Two rare cosmic collisions around the young star Fomalhaut were caught by space telescopes, offering new clues about how planets form.

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

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 ...

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

Whether you want to spend your last five months surrounded by family, living in denial or taking part in a shaggathon, ...

3I/ATLAS came within 168 million miles of Earth around midnight CST Friday. While that might seem pretty far away, the ...

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