NASA's infrared telescope SPHEREx captured stunning images of interstellar comet 3I/ATLAS as it exited the solar system.

NASA observes interstellar comet 3I/ATLAS unexpectedly flaring as it leaves the solar system, revealing water vapour and ...

New infrared observations reveal that the rare interstellar visitor known as comet 3I/ATLAS has dramatically brightened ...

NASA’s SPHEREx mission observed infrared emissions from interstellar comet 3I/ATLAS, documenting changes in dust, gas, and ...

The interstellar visitor may still have a few things to tell us before it leaves our solar system.

NASA’s SPHEREx telescope spotted interstellar visitor comet 3I/ATLAS flaring up while exiting the solar system. Scientists explain what caused it.

Scientists have found new evidence suggesting that interstellar 3I/ATLAS is not an alien spaceship, as one conspiracy theory claims, but a comet.

A newly discovered comet has astronomers excited, with the potential to be a spectacular sight in early April. C/2026 A1 ...

3I/ATLAS is the third interstellar visitor ever to visit the solar system having been formed around a distant star. Tune in tonight (Jan. 22) to watch live views of interstellar comet 3I/ATLAS at ...

Over the past 2,000 years, a series of spectacular comets have graced our skies. Without fanfare, they appear seemingly from ...