One year ago, Caltech’s Space Solar Power Demonstrator (SSPD-1) launched into space to demonstrate and test three technological innovations that are among those necessary to make space solar power a ...

John Casani spent more than half a century turning speculative ideas about distant worlds into working spacecraft that could survive the trip. His quiet influence at NASA’s Jet Propulsion Laboratory ...

Netherlands-based start-up Oceans of Energy has unveiled a few details of the first 18 months of operation of its 50 kW off-shore pilot PV project in the North Sea. “It has weathered all the storms ...

In 2013, the United States installed more solar photovoltaic capacity than either Germany or Australia for the first time ever. (The US has tripled their combined population, so arguably this should ...

A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from around here. Believed to be a comet, the object is only the third celestial ...

Forbes contributors publish independent expert analyses and insights. Dianne Plummer is the Lead Consultant of STEM Spark Solutions. Rooftop solar has become one of the fastest-growing clean energy ...

The location of the solar system's outer boundary is a point of contention among astronomers. There are three possible candidates, which "all have merit." But which one is best? When you purchase ...

Americans’ investment in solar panels has ramped up mightily since the passage, in August 2022, of the Inflation Reduction Act (IRA), which offers a generous federal tax credit to homeowners who ...