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.

Your Solar Return chart, calculated annually, acts as a personal blueprint, highlighting major themes and opportunities for the year ahead.

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.

Your Solar Return chart, calculated annually, acts as a personal blueprint, highlighting major themes and opportunities for the year ahead. The Ascendant reveals the year's primary focus, while ...

Solar panels can save you money on your electricity bills, but how much do they cost, and are they worth the investment? Read below to know.

Think you know your way around the solar system? From the scorching surface of Mercury to the icy edges of Neptune, our planetary neighborhood is full of wonders. The order of the planets isn’t ...

Considering hopping on the solar bandwagon? We have the answers to all your burning questions to help you decide if solar panels are right for your home.

The solar system has many more moons than the one we can see in the sky. But how many do we actually know about? And how many more are waiting to be discovered?

NASA has revealed exciting new information about a mysterious interstellar object called 3I/ATLAS, speeding through our solar system at extraordinary velocities.

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.

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.