A new type of time crystal could represent a breakthrough in quantum physics. In a diamond zapped with lasers, physicists have created what they believe to be the first true example of a time ...

As climate change accelerates, Earth’s annual cycles are shifting in ways that are no longer consistent with traditional seasonal expectations. This shift is so profound that researchers argue our ...

In the past, people trusted the seasons to come and go in a steady, familiar pattern. These cycles helped them grow food, celebrate festivals and plan their lives. But now, that rhythm is changing.