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NASA/ ADBOE STOCK/ RYAN WILLS Our universe is expanding and must have been small in the past. Certainly, rewinding the cosmological film shows that the universe…

Exercise is extremely important for heart health Solstock/Getty Images Getting active and adequate sleep is just two of eight healthy habits that can help you avoid…

Antarctic ice on January 1, 2024 NASA’s Scientific Visualization Studio The Earth’s climate is not easy to cool. This is especially true if you want to make it cool enough to form an ice cap. According to a model of geological forces that have been shaping climates over the past 420 million years, reaching temperatures