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

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 ...

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

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

Earth's planetary defences are beginning a two-month observation campaign today to track interstellar comet 3I/ATLAS that is heading towards our planet. The UN-backed International Asteroid Warning ...

Principal researcher James Bauer says observations from the International Asteroid Warning Network will help experts better understand how to send spacecraft to comets in the future ...

On Wednesday (Dec. 17), this particular Starlink suffered an anomaly that caused a loss of communication with the ground and an unscheduled venting of its propulsion tank. The satellite is now ...

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

The interstellar comet 3I/ATLAS made its closest approach to Earth today (Dec. 19, 2025). Here's the latest news you need to ...

Space is always inspiring and 2025 was no exception, with finding Betelgeuse’s buddy, debuting a prolific survey telescope ...

The 38-foot-wide space rock is projected to come to within just 123,000 miles of our planet, according to NASA.