The Webb Telescope Just Observed Faster Than Light Signals

Recently, the James Webb Space Telescope observed signals that moved faster than the speed of light. Does this mean that faster-than-light travel is real? If not, what explains the phenomenon the telescope just observed? And how could information travel faster than light, for real? Let’s take a look.
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Published on October 12, 2025 08:00
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Sabine Hossenfelder's Blog

Sabine Hossenfelder
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