3I/ATLAS is only the third known interstellar visitor, hence the prefix “3I.” The second known interstellar body, Comet 2I/Borisov, was discovered by the Russian astronomer Gennady Borisov in August ...

"In order to get such high sensitivity in the mid-infrared, one needs to go to space, as the atmosphere severely messes up ...

The Gemini South telescope in Chile captured this stunning view of NGC 6302, highlighting the nebula’s intricate structure ...

As twilight deepens the week of November 24 to 28, the waxing crescent moon appears in the south to southwest, above the setting Teapot asterism.

New telescope observations reveal structural features never documented in any known celestial object The morphology defies conventional understanding. The forward anti-tail persists where physics says ...

Hubble Space Telescope imagery created an HD look at the gas giant planet Jupiter. Credit: NASA Goddard Space Flight Center ...

Hubble Space Telescope images of Jupiter have been "photo-mapped onto a sphere," and animated into a full rotation, according ...

While the feds idled, an interstellar object known as 3I/ATLAS was barnstorming the solar system, at a speed that reached 153 ...

NASA officials dismissed theories that the interstellar 3I/ATLAS could be an alien spaceship while dropping new photos of the ...

NASA is providing more images and information about the interstellar object that's passing through our solar system right now ...

With the government reopened, the space agency at last released pictures captured by a fleet of government spacecraft of an ...