NASA is studying interstellar object 3I/ATLAS to refine its planetary defence systems, using the comet's rare trajectory as a ...

A rogue visitor from deep space, Comet 3I/ATLAS, has put NASA on alert after its trajectory and behaviour shifted ...

Contrary to online rumors, Earth still only has one true moon, but astronomers have discovered a so-called 'quasi-moon.' Here ...

Scientists have confirmed the discovery of a new quasi-moon, 2025 PN7, a small asteroid that will shadow Earth’s orbit for ...

The Earth often gets a few visitors in the solar system, but some stick around for a while. Here's what to know about the ...

The first flight mission for planetary defense, NASA's Double Asteroid Redirection Test (DART) seeks to validate a method to ...

The comet, called 3I/ATLAS, is the third known interstellar object that has come through our solar system. As it flies deeper ...

Nasa announced this week that the object, first identified by the University of Hawaii, qualifies as a “quasi-moon.” It’s not ...

A massive crater hidden beneath the Atlantic seafloor has been confirmed as the result of an asteroid strike from 66 million ...

A scientist spotted an asteroid hiding in the sun's glare that orbits the sun in just 128 days, making it the second fastest ...

A NASA-backed planetary defense group has reportedly begun efforts to pinpoint comet 3I/ATLAS after it was observed emitting ...

As mankind was planning the first moon landing in the 1960s, an asteroid approached Earth—and still hasn’t left.