If you're trying to lose weight, it is helpful to understand energy balance. Most people don’t consider their weight-loss journey a math problem. But in many ways, it is. To lose weight, calculate ...

Solar and wind are ahead of coal in the US power mix, generating nearly 20% more power in the first seven months of 2025, ...

Fossil-fuel plants are increasingly being forced to stop and start production in response to changes in output from renewables. In a new study, researchers developed a dynamic competitive benchmark ...