The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Memphis Light Gas and Water is taking baby steps this year to create its own solar power system, but a major hurdle stands in ...

Although most simulations created conditions very unlike the current solar system, the researchers found that in approximately 1% of the simulations, the visitor's passage altered the giant ...

"An early solar system containing five giant planets was proposed after numerical models indicated that this is more likely to reproduce the architecture of the current solar system, reproducing ...

Predictions are uncertain, but the solar system may be pushed farther from the galactic core or even ejected entirely from ...

Astronomers for the first time have deciphered the three-dimensional structure of the atmosphere of a planet beyond our solar ...

Could our solar system have been temporarily exposed to an enhanced flux of cosmic-rays at some point in the ancient past?

A star system has been discovered to be moving at an estimated 1.2 million miles per hour, making it possibly the fastest moving solar system in our galaxy.

This may explain the strange properties of the orbits of our solar system's planets ... zipping nearly as close to the sun as Mars's current orbit. This study suggests that the currently slightly ...

The current solar tax credit rate will get phased ... For a homeowner currently paying this amount, a 6 kW solar system worth $17,100 would generate a federal tax credit of $5,130.

A planet-size object that possibly once visited the solar system may have permanently changed our cosmic neighborhood by warping the orbits of the four outer planets, a new study suggests.