NASA's Nancy Grace Roman Space Telescope is now fully assembled and ready to begin launch preparations this summer.

JUICE and the Hubble Space Telescope turned their gazes towards the interstellar visitor in November.

As a superpower Space Race II speeds up, the U.S. needs to launch a national emergency campaign to beat China in landing ...

After a yearslong series of setbacks, NASA's Escape and Plasma Acceleration and Dynamics Explorers, or ESCAPADE, mission has ...

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

NASA has released new images of the interstellar comet 3I/ATLAS, captured by various ground and space telescopes. Officials also dismissed conspiracy theories that the comet could be extraterrestrial ...

NASA’s Hubble Space Telescope captured a deeper look at interstellar comet 3I/ATLAS, with its Wide Field Camera 3 instrument, ...

The Wide Field Camera 3 instrument gives the telescope the ability to capture a panchromatic view of objects flying through ...

NASA on Monday introduced 10 new astronauts, four men and six women selected from more than 8,000 applicants, to begin training for future flights to the International Space Station, the moon and, ...

New observations show the comet's two tails and rising activity.