This week marks the last chance for backyard astronomers to see interstellar Comet 3I/ATLAS before it races on its journey ...

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will in a matter of days come as close to our planet ...

The comet will come much closer to Jupiter in March, zipping within 33 million miles. It will be the mid-2030s before it ...

The interstellar comet will pass safely by Earth, giving astronomers their best chance to study it up close.

The comet will come much closer to Jupiter in March, zipping within 33 million miles (53 million kilometers). It will be the ...

When 3I/ATLAS is closest to the Earth on Dec. 19, all the features that we are looking for will be easier to detect with our telescopes.

Discovered over the summer, the comet known as 3I/Atlas will pass within 167 million miles of our planet on Friday. That's as ...

Scientists say the interstellar visitor behaves like comets we already know.

The interstellar comet 3I/ATLAS appears to be getting brighter and emitting a greenish glow as it moves closer to Earth.

The interstellar comet 3I/ATLAS will make its closest approach to Earth on December 19, and will be visible with binoculars ...

An interstellar comet is set to make its closest approach to Earth this week.