Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial ...

Solar energy is a significant factor in today’s electrical energy market. NETA-certified technicians need to understand how ...

Every week, Space.com delivers the latest discoveries, launches, and cosmic curiosities from across the universe. From ...

Space-based solar power is evolving, with NASA, Star Catcher, and Aetherflux testing new designs for wireless power beaming ...

Learn about the solar system in our new What If song. Explore planets, moons, and cosmic wonders through music and imagination.

Project Lyra is one of the boldest mission concepts ever proposed — a plan to chase down ‘Oumuamua, the bizarre interstellar ...

Solar warranties only protect you if they stay valid. Learn the overlooked installation, maintenance, and documentation steps ...

Australia’s solar era is evolving. Prices may edge up in 2026, but homeowners still win—thanks to lasting savings, stable ...

Dr Loeb has put the odds of an artificial origin for the 3.5-mile-wide 3I/ATLAS at 40%, questioning how it already had a tail ...

1 / 6 | Visual: In this diagram, J, S, U, and N are the solar system’s giant planets. What’s the collective name for the objects in blue?

Last month, Google quietly killed off Google Sky Maps. But there’s still another way to virtually explore most of the solar system a la Google Maps: it’s called Google Maps in Space. Google Maps in ...

Our solar system’s latest and only third known interstellar visitor is becoming more fascinating by the week. Spotted in early July, the object, dubbed 3I/ATLAS, is widely believed to be a comet. It’s ...