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 sky each night after sunset, according to NASA. While Mercury will briefly ...

The four-planet lineup that began in January concludes by mid- to late February, as Saturn sinks increasingly lower in the sky each night after sunset, according to NASA. While Mercury will briefly ...

Earth's oceans are mysterious, largely unexplored places, but the enormous oceans of Neptune and Uranus have them beat.

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.

Skywatchers, get ready for an unforgettable weeks-long celestial spectacle.This rare phenomenon, nicknamed the ...

The brightest planets in the night sky will shine as the 'planet parade' continues throughout February, plus be on the lookout for the Moon to join the line-up, and for Saturn to 'tag' Mercury in ...

while to see Neptune, maintain the same aperture but increase the magnification to 150. Mobile apps such as Stellarium and Star Walk 2 also offer a guide on where and when to look in the sky.

Uranus and Neptune will also be there ... because they orbit the sun — the difference is that they will appear closer to each other and Earth, making them visible from our planet.

A couple of others, such as Neptune and Uranus ... no matter where they are on the table, they will all look lined up if you look eye level with the table.) “Planets always appear along a ...

Look about an hour before sunrise on Feb. 1 and find Venus, bright but very low, in the southeast, with much dimmer Mercury to its lower left. Far to Venus’s upper right shines Saturn, and ...