Astronomers have observedunexpected activity in C/2014 UN271, the largest comet ever detected from the Oort Cloud, while it remains over a billion miles from the Sun. Using the ALMA radio telescope, ...

A giant comet, likely the largest comet discovered in modern times, is on its way toward the sun. Scientists caught sight of the comet early, giving researchers years to watch it evolve and streak ...

While the internet has been buzzing over the mysterious 3i/Atlas, with some even speculating it could be an alien spacecraft rather than a natural comet, astronomers say the real celestial event worth ...

Astronomer Gianluca Masi captured a spectacular image of interstellar comet 3I/ATLAS on Nov. 19, as it raced headlong away ...

The fate of the world could rest on ATLAS’ shoulders. Contrary to allegations that 31/ATLAS is potentially hostile alien tech, the Manhattan-sized comet could provide potentially Earth-saving intel.