As the 3I/ATLAS nears its closest distance to Earth, an international team of astronomers now says the space rock may be covered in active, icy cryovolcanoes. If true, the evidence detailed in their ...

Analysis of the second confirmed interstellar comet to visit our solar system suggests that the alien body could be covered ...

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.

A different study by scientist Matthew Hopkins at the University of Oxford and colleagues, used a model that focused on the ...

The tail of Interstellar Comet 3I/ATLAS is seen in the imagery captured by the Gemini Multi-Object Spectrograph (GMOS) on ...

It's possibly as big as Manhattan, likely older than our own solar system, and it's traveling through space at speeds of up to 153,000 miles per hour.

The comet 3I/ATLAS is taking a long holiday journey this year. It’s visiting from another solar system altogether. Those ...

The rare interstellar comet, also known as 3I/ATLAS, was first discovered in July and has been photographed several times.

Scientists say that 3I/ATLAS has likely been traveling through interstellar space for a long time. Based on how fast it was ...

The latest images of an interstellar comet shared by NASA have captured how an array of spacecraft witnessed a flyby that was truly out of this world, revealing clues to the object’s composition.

I nterstellar comet 3I/ATLAS will make its closest approach to Earth this month, whizzing by at 270 million kilometers (168 million miles) away, putting on a show for anyone equipped even with a small ...

Skywatchers will have a lot to look at in the night skies over Alabama in December. A super moon, a meteor shower and a comet ...