A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...

3I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches ...

3I/ATLAS interstellar comet heads towards Earth now and will reach its closest point on December 19. Scientists say it will ...

The interstellar comet 3I/ATLAS is racing away from the sun. Hubble and JWST track the object's strange composition: high CO2 ...

A small, icy visitor from beyond the solar system is giving scientists an unusually close look at the chemistry that may help ...

JUICE and the Hubble Space Telescope turned their gazes towards the interstellar visitor in November.

Lowell Observatory astronomer Dr. Qicheng Zhang has captured the first ground-based optical images of Comet 3I/ATLAS following its closest approach to the Sun, thanks to the unique low-horizon ...

Hawaiian stargazers got a particularly special treat recently.

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

Space agencies capture new details of 3I/ATLAS, showing the comet’s active state before its December flyby.

A NASA scientist suggests the Star of Bethlehem, a biblical mystery, could have been a bright comet observed in 5 BC, according to ancient Chinese sky records.

New images taken by the Hubble Space Telescope and a Jupiter-bound mission showcase interstellar comet 3I/ATLAS ahead of its ...