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Interstellar comet 3I/ATLAS isn't an alien spacecraft, astronomers confirm. 'In the end, there were no surprises.'

Though this hunt came up empty, the fact that 3I/ATLAS is only the third known object found in the solar system after ...

The AI Safety Demo That Caused Alarm in Washington

Explore the full archive of TIME, a century of journalism, insight, and perspective, with AI that helps you research, connect ...