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

Scientists studying samples that NASA collected from the asteroid Bennu found a wide assortment of organic molecules that ...

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

Four planets will be in the parade in January, while seven will align in February. Here's how to see the events.

For a few brief evenings around February 28, every planet in our solar system will be visible at once, with Mercury making a ...

FOUR planets are visible in the night sky. You will have to battle January clouds, but here is how to find them.

You might want to keep your eyes on the skies through next month: Six planets will align in January and February.