Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

Astronomers have detected a promising sign of a ninth planet lurking at the the farthest reaches of the Solar System.

ClockworkThe old models called orreries depicted an ever predictable solar system. The real one is more random: Moving a pencil across your desk today, says one astronomer, can shift Jupiter ...

"This measurement of the planet population from planets somewhat larger than Earth all the way to the size of Jupiter and ...

A powerful new observatory is the best hope yet for finding the elusive Planet 9, a large planet that some scientists say is hidden in our solar system.

Learn about the solar system from a pair of real space museum curators in sci-fi game Elite Dangerous, as Abbie MacKinnon and ...

An international team of scientists led by a Rutgers University-New Brunswick astrophysicist has discovered a potentially ...

The search for a hidden giant lurking in the far reaches of the Solar System has captivated astronomers for decades. A new ...

DALLASI absolutely love this, it's called an orrery, and it's a little mechanical model of our solar system. You can see the planets here, orbiting the sun as they would do in real life.

Once you've broken even, the real savings can start ... Here's another look at the formula: (Total solar system costs - rebates) / Electricity bill savings per year = Payback period in years ...