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

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

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

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 solar system is portrayed as a dynamic, gossip-fueled family, with each planet offering snide comments about one another, ...

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

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.

The article humorously assigns zodiac signs to each planet, depicting their unique traits and behaviors. It presents the ...

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