A mysterious object hurtling through space has been identified as a rare “interstellar object,” only the third of its kind ever seen. In July, NASA reported its ATLAS (Asteroid Terrestrial-impact Last ...

3I/ATLAS first made news in July when scientists confirmed it as the third-ever observed interstellar interloper in our solar system. The space object further attracted the public's fascination again ...

The Manhattan-sized interstellar object rocketing through Earth’s inner solar system is covered by a cloud of carbon dioxide, a characteristic that shocked experts, according to an analysis of brand ...

A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system. The Hubble Telescope and its Wide Field Camera 3 got an incredible view of the comet ...

NASA's $10 billion space telescope studied the third interstellar object to enter the solar system, measuring the chemical contents of its halo. The James Webb Space Telescope (JWST) has observed the ...

The Manhattan-size interstellar object 3I/ATLAS will buzz past Mars this week — making its closest pass to any planet on its route as scientists are rushing to coordinate craft to observe the ...