Our solar system appears beautifully organized, but its stability is actually the result of an incredibly delicate cosmic ...

CNN — A large asteroid could be reclassified as a dwarf planet -- which could make it the smallest in the solar system -- after new research revealed it's shape, astronomers said on Monday. Nestled in ...

Across cities and suburbs, a quiet energy revolution is unfolding. Instead of large rooftop arrays installed by contractors, a growing number of households are experimenting with small, plug-in solar ...

Plug-in solar has risen in popularity among sustainability fans in recent years, but the practice isn't yet legal in all of ...