Christmas is a great time to look for a telescope for your budding amateur astronomer. But there are some things to keep in ...

Skywatchers can spot Venus, Saturn, Jupiter and Mars in the night sky with the naked eye, but two other planets might need a telescope to be seen.

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

"Chemical rockets that we use today, even with the extra speed boost from flying by planets, or from swinging by the sun for ...