San Diego ranks among the top U.S. cities for rooftop solar installations — but for millions of Californians who rent, or ...

Webb Telescope finds crystalline water ice around star HD 181327. This discovery could reveal how icy bodies contribute to ...

In theory, water-based propulsion systems are a low-cost, safer alternative to conventional engines. Water is easier to ...

Despite initially losing in the court of appeals, the environmental groups took their case to the California Supreme Court.

Delta on Mars. A recent study showed that Mars was warm and wet billions of years ago. The finding contrasts with another theory that this era was mainly ...

Rising electricity rates, falling solar costs, and new $0-down financing options mean the answer is still yes — ...

Solar, wind, hydro, geothermal and bioenergy are reshaping global power systems. Here’s how they work and what 2025 data reveals.

A study found that these cosmic bodies appear to hold up remarkably well to sudden energy deposition and shock conditions, so ...

In a conventional system like our own, rocky planets such as Mercury, Venus, Earth, and Mars orbit closest to the host star. Farther out, gas giants ...

EKO Instruments USA has launched a U.S.-based pyranometer calibration service. The service brings a new level of accuracy, ...

They show up as a mathematical solution in general relativity, basically as a time-reversed version of a black hole. Some ...

Otter Tail Corporation ( OTTR) Q4 2025 Earnings Call February 17, 2026 11:00 AM EST [Operator Instructions] There are currently no questions in the queue, but we will wait a brief moment in case ...