New findings suggest dark energy may be changing over time

Our universe has been expanding ever since it was born in the Big Bang. For decades, most cosmologists believed the universe’s expansion was slowing. Gravity, pulling on all matter, would eventually overcome the momentum from the Big Bang, halting or even reversing the expansion. But in 1998, supernova observations revealed a surprise: the universe isContinue reading “New findings suggest dark energy may be changing over time”
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