The data obtained by Webb had two things that took researchers by surprise.
NASA's Hubble Space Telescope observed comet C/2025 K1 (ATLAS) fragmenting into multiple pieces, offering scientists a rare ...
Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.
The findings surprised researchers, who used the comet's composition to better understand the environment in which it formed.
Researchers say 3I/ATLAS could be 12 billion years old and has a composition unlike anything in our solar system.
One year ago, on July 1, 2025, astronomers discovered a fascinating new object moving through the solar system. Detected by ...
Astronomers first spotted Comet 3I/ATLAS in June 2025, and it was later confirmed as an interstellar visitor that originated from outside our solar system. As the comet’s name indicates, it is the ...
An interstellar comet observed last year may predate our solar system by billions of years, traveling on extraordinary ...