New simulations suggest that up to four of the solar system's rocky planets, including Earth and a long-lost world, once orbited in mathematical harmony around the infant sun.

NPR's Ari Shapiro talks with astronomer David Jewitt about what we can learn from the third interstellar object to have entered our solar system, a comet-like object known as 3I/ATLAS.

“While 3D printing had been used to create shapes before, no component had ever been certified for safety under the extreme conditions of an actual launch,” said Dr. Lee.

Space NASA scientists make startling discovery about alien life in our very own solar system: ‘Big implications’ By Adriana Diaz Published Aug. 22, 2025, 1:14 p.m. ET ...

Solar System Planets. Astronomy articles on the eight planets, plus the two dwarf planets, Pluto and Eris. Great pictures of everything in the solar system. Updated daily.

Clean renewable energy resilience is available for homeowners who pair a home battery system with solar panels.

Balcony solar promises to cut energy costs and grid reliance for renters and apartment-dwellers. I did a trial run at my home.

Image reveals unprecedented view of the third interstellar object observed passing through our solar system Big questions about 3I/ATLAS remain, some of which may be impossible to answer ...

With just one year until the total solar eclipse of 2026, we take a look at everything you need to know for the ultimate eclipse adventure.

Technology Your household gadgets could soon be battery-free — scientists create tiny solar cells that can be powered by indoor light ...