The spacecraft will study the solar system's edge, magnetic fields in interplanetary space, and remnants of exploded stars.

Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its ...

Astronomers have discovered a rare in-sync solar system with six planets moving like a grand cosmic orchestra, untouched by outside forces since their birth billions of years ago. The find, announced ...

On August 24, 2006, our solar system lost a planet. It wasn't by cataclysmic destruction, but rather by the vote of the International Astronomical Union, which declared that Pluto, considered the ...

Update: Today's livestream of the solar system planets will now begin at 12:30 p.m. EST (1730 GMT). Take a grand tour of the solar system tonight (Dec. 28) as each of the planets in the solar system ...

Switch to solar with a system built for you. Interest in renewable energy continues to rise as more solar panel arrays are mounted on roofs and the ground nationwide. Not all of these solar panel ...