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

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

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

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

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

B NASA recently put the finishing touches on a telescope set to become the agency’s flagship infrared space telescope, but it ...

NASA is pulling the plug on one of its great observatories -- the Spitzer Space Telescope -- after 16 years of scanning the universe with infrared eyes. The end comes Thursday when ground controllers ...