ATLAS

ATLAS is the largest general-purpose particle detector experiment at the Large Hadron Collider (LHC), a particle accelerator at CERN (the European Organization for Nuclear Research) in Switzerland.

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

A Giant Telescope Searched 3I/ATLAS For Signs of Aliens. Here's Why.

VLT Reveals Detailed Spectral Portrait of 3I/ATLAS

Europa Clipper Reveals a New Perspective on Comet 3I/ATLAS

Interstellar comet 3I/ATLAS reveals weird wobbling jets in rare sun-facing tail

How 2025 became the year of comet: The rise of interstellar 3I/ATLAS, an icy Lemmon and a cosmic SWAN

NASA’s Parker Solar Probe Captures 3I/ATLAS

ESA's JUICE Mission Reveals More Activity from 3I/ATLAS

This Week in Science: 3I/ATLAS Passes Earth, a Runaway Black Hole, And More!

How did interstellar comet 3I/ATLAS capture our imagination in 2025?

Farewell, comet 3I/ATLAS! Interstellar visitor heads for the outer solar system after its closest approach to Earth

3I/ATLAS: The Truth About The Interstellar Comet Everyone’s Watching

3I/ATLAS: NASA Spacecraft Spies Comet As It Passes Closest To Earth

What time will interstellar comet 3I/ATLAS be closest to Earth today?

Watch interstellar comet 3I/ATLAS make its closest approach to Earth in free livestream on Dec. 19 after rain delay

Europa Clipper Captures Unique View of 3I/ATLAS

4 ways to track 3I/ATLAS without a telescope as it makes its closest approach to Earth tonight

Scientists detect X-ray glow from interstellar comet 3I/ATLAS extending 250,000 miles into space

‘Alien’ Comet 3I/ATLAS Is Getting Brighter And Greener, Scientists Say

Interstellar comet 3I/ATLAS makes its closest approach to Earth tonight: Here's what you need to know