The mysterious space rock suggested to be a hostile alien spaceship was due to make its closest approach to Earth today (Dec 19). The rare interstellar visitor, designated Comet 3I/ATLAS, was ...

The mysterious space rock that passed through our solar system grew significantly brighter as it left, according to scientists. Researchers say Comet 3I/ATLAS, suggested to be a hostile alien ...

Last year, astronomers spotted an unusual interstellar object moving through the solar system at the breezy pace of 26 km per second. Named ‘Oumuamua—from the Hawaiian for “scout”—various theories ...

These December 2025 observations by NASA's SPHEREx show the infrared light emitted by the dust, water, organic molecules, and carbon dioxide contained within comet 3I/ATLAS's coma during the mission's ...

The mysterious space rock that passed through our solar system grew significantly brighter as it left, according to scientists. Researchers say Comet 3I/ATLAS, suggested to be a hostile alien ...

The mystery of the alien comet probe sent to steal all our solar system’s secrets (possibly…) just intensified, as a Harvard scientist has claimed it could be on a mission to Jupiter. Maverick ...

The mysterious space rock that passed through our solar system grew significantly brighter as it left, according to scientists. Get any of our free email newsletters — news headlines, sports, arts & ...