Interstellar invader Comet 3I/ATLAS is still full of surprises — an unexpected brightening has scientists baffled ...

While 3I/ATLAS is getting all the attention, there are a number of other comets visible through telescopes and binoculars in ...

Water discoveries in space happen all the time. But this one’s actually a big deal, and not just because some scientists got excited (though they absolutely did). NASA’s Neil Gehrels Swift Observatory ...

The comet is on what’s known as a hyperbolic trajectory, which means that it doesn’t follow an orbital path around the sun.

The comet could be older than our solar system. The comet is also distinct because nickel vapor was detected in the gas ...

Scientists have detected water vapor components in the interstellar object 3I/ATLAS, a significant discovery for ...

Perihelion for 3I/ATLAS takes place on Oct. 30, when the interstellar interloper will be 1.35 astronomical units (125 million ...

For nearly five decades, NASA’s Voyager 1 and 2 spacecraft have ventured farther than any other human-made object, pushing ...

Interstellar comet 3I/ATLAS is passing safely through our solar system. Learn about its discovery, its distant path, and why ...

As a joke, she labelled it LGM 1 for “Little Green Men”, but the astronomers working on it did not really believe they had ...

Interstellar comet 3I/ATLAS is making a rare visit to our solar system, reaching perihelion near Mars' orbit on October 30, ...

Interstellar comet 3I/ATLAS accelerates mysteriously, raising questions about its origin and what it means for humanity.