Mercury takes only 88 Earth days to orbit the sun.

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

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

The Planet That Influences the Sun?! Jupiter is not just the largest planet in our Solar System, but also one of its most ...

Don't put your binoculars away just yet, the planet parade continues through February. Here's which planets will be visible ...

Filmmaker Adam Nemoy helps celebrate the 90th anniversary of Pluto's discovery this month at the 6th annual 'I Heart Pluto' ...

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

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

Stargazers will be treated to a dazzling six-planet "alignment" this January.

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

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

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