A groundbreaking discovery in Bulgaria reveals a 5,000-year-old celestial map.

An all-improved, compact star tracker within an affordable price bracket. The iOptron SkyTracker Pro's new and improved polar ...

The discovery was made by researchers Georgi Georgiev and Ivelina Georgieva during an expedition near the village of ...

Explore daily insights on the USA TODAY crossword puzzle by . Uncover expert takes and answers in our crossword blog.

Based on nearby places, archaeologists believe they have found a star map dating back to the Late Neolithic to Early Iron Age ...

Most people have never seen the Little Dipper, because most of its stars are too dim to be seen through light-polluted skies.

When you buy through links on our articles, Future and its syndication partners may earn a commission. The stars of the Ursa Major constellation can be used to find its smaller sibling, Ursa Minor ...

The highly inclined barred spiral M108 in Ursa Major is sometimes called the Surfboard Galaxy. It's not to be missed.

Airports in Florida and Texas dominated the top 10 ranking of U.S. airports offering the best passenger experience.

New data shows that water levels in major reservoirs including Lakes Mead and Powell are well below average for this time of year.