Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

While our solar system is a fascinating place on its own, exoplanets are even more of a mystery. And one exoplanet in particular is something quite new.

Trans-Neptunian objects (TNOs) are icy bodies that vary widely in size, from large dwarf planets like Pluto and Eris—each ...

Six planets are part of the alignment, which will last until Feb. 18. Mercury will join the alignment later in the month.

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

The four-planet lineup that began in January concludes by mid- to late February, as Saturn sinks increasingly lower in the ...

NASA said the system is thought to be moving at least 1.2 million miler per hour, nearly twice as fast as our solar system.

February will be an awe-inspiring month for astronomy enthusiasts who will be able to the see the solar system's planets ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...