Read More 4 minute read Space Could the latest ‘interstellar comet’ be an alien probe? Why spotting cosmic visitors is harder than you think Comet 3I/ATLAS. International Gemini Observatory/NOIRLab/NSF/AURA/K. Meech/Jen Miller/Mahdi Zamani, CC BY Sara Webb, Swinburne University of Technology On July… bySara WebbJuly 27, 2025