What's the best evidence we've found for alien life?

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James Webb telescope finds potential signature of life on Jupiter's icy moon Europa | Live Science https://www.livescience.com/space/jupiter/james-webb-telescope-finds-potential-signature-of-life-on-jupiters-icy-moon-europa 705 comments
A chunk of the moon appears to be orbiting near Earth, new study suggests | Live Science https://www.livescience.com/space/asteroids/a-chunk-of-the-moon-appears-to-be-orbiting-near-earth-new-study-suggests 157 comments
There may be hundreds of millions of habitable planets in the Milky Way, new study suggests | Live Science https://www.livescience.com/space/exoplanets/there-may-be-hundreds-of-millions-of-habitable-planets-in-the-milky-way-new-study-suggests 155 comments
Six Cattle Found Dead in Texas With Their Tongues Missing - The New York Times https://www.nytimes.com/2023/04/22/us/cattle-deaths-texas.html 75 comments
World's smallest particle accelerator is 54 million times smaller than the Large Hadron Collider, and it works | Live Science https://www.livescience.com/physics-mathematics/particle-physics/worlds-smallest-particle-accelerator-is-54-million-times-smaller-than-the-large-hadron-collider-and-it-works 70 comments
Life on Venus? Phosphine spotted in planet's clouds again | Space https://www.space.com/venus-clouds-phosphine-evidence-debate 26 comments
'UFO' videos declassified by US Navy | Live Science https://www.livescience.com/ufos-videos-declassified-navy-release.html 19 comments
'This is complete nonsense': Scientists rail against 'alien' bodies shown before Mexican congress | Live Science https://www.livescience.com/archaeology/this-is-complete-nonsense-scientists-rail-against-alien-bodies-shown-before-mexican-congress 15 comments
Repeated signals from the center of the Milky Way could be aliens saying hello, new study claims | Live Science https://www.livescience.com/space/extraterrestrial-life/repeated-signals-from-the-center-of-the-milky-way-could-be-aliens-saying-hello-new-study-claims 1 comment