ANITA did see weird particles, but not parallel Universes
Briefly

The idea of parallel Universes entertains imaginations of alternate realities stemming from different decisions. Theoretical physics supports this through quantum mechanics and the Multiverse concept. In 2018, the ANITA experiment proposed evidence for cosmic ray particles that defy conventional understanding, prompting further investigation in 2025 by the Pierre Auger Observatory. Despite intriguing findings, scientists warn against hastily concluding the existence of parallel Universes; explanations grounded in established physical laws are more plausible. The pursuit of validation in science requires skepticism, emphasizing that more down-to-earth interpretations are preferred than sensational hypotheses about parallel Universes.
The notion of parallel Universes captivates our imagination, suggesting a realm where different outcomes of decisions could lead to better realities than our own.
Research into parallel Universes took a notable turn in 2018 when the ANITA experiment presented evidence for cosmic ray particles challenging conventional physics explanations.
Caution must prevail in scientific debates over parallel Universes; reliance on known laws of nature suggests the phenomena observed may have more mundane explanations.
While parallel Universes intrigue us, their actual existence remains unverified, underscoring the importance of skepticism and rigorous testing in scientific inquiry.
Read at Big Think
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