China’s abrupt cessation of tracking the interstellar comet 3I/ATLAS following its recent Mars flyby has left astronomers worldwide puzzled. The comet, which was closely observed during its encounter ...

A comet discovered earlier this year is on a collision course with the sun, and if it holds together through the encounter, ...

A newly discovered comet is rapidly brightening and could become visible from Earth — if it survives an extreme close encounter with the sun on April 4.

Add Yahoo as a preferred source to see more of our stories on Google. The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will in a matter of days come as close to our planet as it ...

NASA’s SPHEREx telescope detected water vapor and carbon-rich molecules from the interstellar comet 3I/ATLAS after it ...

Scientists in Boulder are using existing NASA spacecraft to track a rare interstellar comet called 31/ATLAS as it travels through Earth’s solar system. Comet 3I/ATLAS was first observed on July 1 and ...