According to NASA, four to five planets being visible across the sky at the same time happens only once every few years.

Mercury joins the night sky to complete a seven-planet alignment just after sunset for the end of February. Saturn leaves our ...

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

It is not often that all the planets in the Solar System other than ours are lined up across the night sky for us to see.

Like a celestial parade across the cosmos, five bright planets are lighting up the night sky and visible with the naked eye ...

With a nickname like Big Sky country, it's no surprise Montana is the ultimate destination for this year's celestial events, ...

The city of Flagstaff has taken big steps to preserve the clarity of its night sky. Find out the best ways to experience the ...

From planets and constellations, to eclipses and the Aurora Borealis, here's what to look for in the sky this spring ...

Watch a bright Moon dominate the sky, trace the Winter Hexagon, and continue enjoying the evening parade of planets in the ...

A Month of Bright Planets Venus blazes at its brightest for the year after sunset, then Mars and Jupiter to rule the night ...

February kicks off what astronomers call “galaxy season” in the Northern Hemisphere. This time of year offers the best ...