Astronomers have revealed new details about the makeup and age of a visiting comet that was born around a distant star. They ...

Comet 3I/ATLAS arrived from beyond the Solar System carrying a chemical story unlike anything astronomers had measured before ...

After federal tax credits for renewable projects expired, joining a solar co-op is one way to save on residential solar.

Space looks empty until you try to cross it. Far beyond Pluto, where sunlight is faint and the planets are long behind, ...

A person standing on the largest volcano in the solar system would never know it. Olympus Mons rises 70,000 feet over Mars on ...

A Jupiter-size exoplanet orbiting a dead star baffled astronomers. But the planet named WD 1856 b could preview the fate of ...

In the course of studying planets beyond our solar system (6,316 confirmed exoplanets and counting), scientists have ...

Learn how solar co-ops in Arizona are helping residents navigate the complexities of solar panel installation and find ...

A University of Colorado Boulder study has found that a rare type of meteorite likely came from a giant, ancient protoplanet ...

On Thursday, Gov. Kelly Ayotte signed a bill establishing guidelines in New Hampshire law for the use of portable, ...

James Webb found Neptune's moon Nereid has an unusual icy surface, suggesting it formed alongside the planet instead of being captured later.