Space agencies conducting largest ever planetary defense drill with 3I/ATLAS approaching

With 3I/ATLAS days away from making its closest approach to Earth, agencies worldwide are conducting the largest and most ...
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Global space agencies team up for biggest-ever "save Earth" drill as comet swings by

As the comet 3I/ATLAS approaches Earth, international space agencies are conducting an unprecedented planetary defense drill to prepare for potential future cosmic threats.
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The Largest Known Monster Comet Is Already Active, Billions Of Miles From The Sun

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, ...

Scientists Stunned As 3I/ATLAS Poised To Unleash Biggest Cosmic Surprise Since Hale-Bopp on December 19

Interstellar comet 3I/ATLAS, only the third ever seen, returns with unique composition; experts eye 19 December 2025 as a date that could reshape comet science.