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

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

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

NASA has selected two Earth science missions for development, one focused on studying the atmosphere and the other on terrestrial ecosystems and ice.

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 ...

NASA has taken a significant step in understanding our planet by selecting two Earth science missions for development. These missions, designed to enhance our knowledge of atmospheric conditions and ...