Organized by a public interest group, 120 researchers have expressed concern about the number of satellites in low Earth ...

The nearly full Moon will pass Mars on the evening of Dec. 17 in a brilliant conjunction.

The seven stars that make up this famous asterism are part of Ursa Major the Great Bear. And they offer a lot more than meets ...

In late December, you can witness a celestial conjunction as Mars passes close to the Beehive Cluster in Cancer the Crab.