Mercury takes only 88 Earth days to orbit the sun.

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

"With an orbital period of 570 days, it is a relatively cold gas giant planet," said Guðmundur Stefánsson of the University ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

According to a recent YouGov poll, 35% of Americans think Pluto is not a planet. But they are all wrong—kind of. To get to ...

A planetary alignment, or a "planet parade" according to the internet, will grace our night sky just after dusk, according to ...

According to Star Walk, "the next time seven planets will align (after Feb. 28, 2025) is likely to be around late 2028." "An ...

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

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

Look to the southwest sky after sunset on Saturday, as the sliver of a waxing crescent moon nears bright Venus with Saturn ...