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 ...

Astronomers watching a rare visitor from beyond the Solar System have spotted something they did not expect.

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 ...

The James Webb Space Telescope captured infrared light from a black hole and gave scientists unprecedented insights into the object's structure.

NASA completes assembly of the Nancy Grace Roman Space Telescope. The observatory will enter final testing before launch, providing infrared surveys and cosmic data for astronomy research.

Scientists are now certain that James Webb will break every such record until the earliest observable light is eventually ...

The 1998 discovery that the universe is expanding at an accelerated rate raised new and profound questions about the nature and fate of the universe. Based on measurements of the speed of distant ...