One rare comet has done two jobs at once: it has widened the scientific map of how other planetary systems form, and it has exposed how dependent that science remains on a clear, trackable sky. Comet ...

The comet formed in a cold and distant part of the early Milky Way up to 12 billion years ago, putting it just under 2 billion years the age of the universe.

Astronomers have spotted something unusual in a comet passing through our Solar System. 3I/ATLAS, only the third confirmed interstellar visitor ever s.

Interstellar Comet 3I/ATLAS is the gift that keeps on giving. A snapshot of the space that lies beyond the solar system, it brings clues to other stars, other worlds and the galaxy we call home. Just ...

The interstellar comet 3I/ATLAS was the third object ever discovered in our solar system that originated from another star system. Despite a viral conspiracy theory, NASA officials have repeatedly ...

Astronomers using ALMA have found large quantities of methanol in comet 3I/ATLAS, making it one of the most alcohol-rich ...

Add Yahoo as a preferred source to see more of our stories on Google. illustration of spacecraft with large dish flying in space Voyager 2 can keep sending science back from interstellar space a ...

Before we say goodbye to our interstellar visitor, another close encounter is on its way. This one could be course-altering.

The James Webb Space Telescope is a machine of many talents. It can peer through dense space dust, glimpse the stellar drama of distant galaxies, and even observe the universe’s first stars. But some ...