Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

Mars will be making its closest approach to Earth in two years, and thus, the mighty red planet, named for the god of war ...

The six planets will be visible in the days immediately leading up to Jan. 21, and for about four weeks afterward. Mars, ...

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

A planetary alignment, one of the greatest planetary displays in years, will shortly take place. Also known as a planet ...

Venus, Saturn, Jupiter and Mars are all visible to the naked eye just after the sun goes down. Neptune and Uranus can also be ...

Six planets will be in alignment this weekend, with four of them shining bright in one sweeping view. What to know about the ...

January started out with a meteor shower and now has a planetary alignment in store. Here's what you'll be able to see and ...

Mars, Venus, Jupiter, and Saturn can be spotted without special equipment, with Uranus and Neptune requiring a telescope.

Venus, Saturn, Jupiter and Mars will appear to line up and be bright enough to see with the naked eye in the first few hours ...

Venus and Saturn will glow in the southwestern sky, with Jupiter in the southern sky and Mars in the southeast or east. The ...

NASA was formed in 1958 "to provide for research into problems of flight within and outside the Earth's atmosphere, and for ...