A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, ...

For many homeowners, installing rooftop solar panels seems like a smart idea to reduce electricity bills, but the upfront ...

Astronomers have found a compact solar system whose planets line up in a way that, according to current models, should not be possible. Around the small star LHS 1903, a dense rocky world orbits on ...

Astronomers have found a distant world that challenges planetary formation theory, with a rocky planet where gas giants should be.

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

Comet 3I/ATLAS was full-on erupting into space in December 2025, after its close flyby of the sun, causing it to ...

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the ...

Forbes contributors publish independent expert analyses and insights. Dianne Plummer is an Energy Consultant and Certified Energy Manager. In 2024, rooftop solar was the fastest-growing source of ...

Forbes contributors publish independent expert analyses and insights. Dianne Plummer is an Energy Consultant and Certified Energy Manager. Rooftop solar has become one of the fastest-growing clean ...

NASA's infrared telescope SPHEREx captured stunning images of interstellar comet 3I/ATLAS as it exited the solar system.

A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.

The fate of a comet that was predicted to pass close to Earth remains a mystery five years after its dramatic breakup in the ...