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

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

Discovered on July 1 by the NASA-funded ATLAS telescope in Chile, 3I/ATLAS is only the third confirmed visitor from another ...

On December 19, this interstellar visitor with its peculiar composition offers a glimpse into the makeup of celestial bodies ...

NASA's Hubble Space Telescope caught a glimpse of 3I/ATLAS – again. Here's a look at the latest photo of the intriguing ...

NASA associate administrator Amit Kshatriya and associate administrator of NASA Science Dr. Nicky Fox explain that "all ...

The ESA said that its JUICE team was surprised to see the "very clearly visible comet, surrounded by signs of activity." ...

Interstellar comet 3I/ATLAS, a visitor older than the Sun, has stunned scientists with a colossal, puzzling X-ray cloud ...

Leaked images of 3I/ATLAS suggest the US may have been tracking the interstellar object for years using the secret Cassandra planetary defense system, long before the public knew.

I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches Earth in December 2025.

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

According to NASA, Hubble took its latest photo of 3I/ATLAS on November 30 using its Wide Field Camera 3 instrument. At that ...