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

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.

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

NASA is probing a sudden loss of contact with its MAVEN Mars orbiter after rare 3I/ATLAS data, raising questions about timing ...

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

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

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.

Researchers are stunned after new readings show 3I/ATLAS surrounded by a huge x-ray cloud stretching 250,000 miles.

He cited the astronomical gaffe in January, when The Minor Planet Center in Cambridge, Mass., announced the discovery of an ...

NASA’s Hubble Space Telescope captured a deeper look at interstellar comet 3I/ATLAS, with its Wide Field Camera 3 instrument, ...

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

New observations show the comet's two tails and rising activity.