Mystery ray hurtling towards Earth leaves scientists asking 'what the heck is going on?' - The Mirror
- Mystery ray hurtling towards Earth leaves scientists asking 'what the heck is going on?' The Mirror
- Boffins find rare particle falling to Earth — sparking claims of extra-terrestrials... The Sun
- Astronomers Shocked by Mysterious Ultra-High-Energy Cosmic Ray – “What the Heck Is Going On?” SciTechDaily
- Mysterious cosmic ray could come from another galaxy beyond Milky Way Business Insider
- Super high energy particle falls to Earth; its source a mystery Digital Trends
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